Pub Date : 2013-07-12DOI: 10.1080/00269786.1984.10736453
S. Gakhar, R. P. Maleyvar
SUMMARY Qualitative and quantitative changes in free amino acids (FAA) and total carbohydrates, lipids and proteins in the excreta of successive larval instars of Trabala vishnou Lef. (Insecta Lepidoptera) have been studied. Only four FAA—aspartic acid, γ-aminobutyric acid, leucines and serine/glycine—were common in the excreta of all the larval instars. Seventeen FAA were present in the excreta of instar I. Glutamine, lysine, proline, threonine, tryptophan, tyrosine and valine disappeared from the excreta of instars II-V. The total FAA content and other constituents present in the excreta decreased during larval growth. Individually, most of the FAA followed this broad pattern of quantitative change. However, the leucines present in the excreta generally increased. Changes in these constituents have been related to various physiological events during larval growth.
摘要:对不同龄期特拉巴拉(Trabala vishnou Lef)幼虫排泄物中游离氨基酸(FAA)和总碳水化合物、脂肪和蛋白质的定性和定量变化进行了研究。(昆虫纲鳞翅目)。只有天冬氨酸、γ-氨基丁酸、亮氨酸和丝氨酸/甘氨酸在所有幼虫的排泄物中常见。1龄虫排泄物中存在17种FAA, ii ~ v龄虫排泄物中谷氨酰胺、赖氨酸、脯氨酸、苏氨酸、色氨酸、酪氨酸和缬氨酸消失。在幼虫生长过程中，粪便中总FAA含量和其他成分含量下降。个别而言，大多数联邦航空局都遵循这种广泛的数量变化模式。然而，排泄物中的亮氨酸普遍增加。这些成分的变化与幼虫生长过程中的各种生理事件有关。
{"title":"ANALYSIS OF THE EXCRETA DURING VARIOUS STAGES OF LARVAL DEVELOPMENT OF TRABALA VISHNOU LEF (INSECTA LEPIDOPTERA)","authors":"S. Gakhar, R. P. Maleyvar","doi":"10.1080/00269786.1984.10736453","DOIUrl":"https://doi.org/10.1080/00269786.1984.10736453","url":null,"abstract":"SUMMARY Qualitative and quantitative changes in free amino acids (FAA) and total carbohydrates, lipids and proteins in the excreta of successive larval instars of Trabala vishnou Lef. (Insecta Lepidoptera) have been studied. Only four FAA—aspartic acid, γ-aminobutyric acid, leucines and serine/glycine—were common in the excreta of all the larval instars. Seventeen FAA were present in the excreta of instar I. Glutamine, lysine, proline, threonine, tryptophan, tyrosine and valine disappeared from the excreta of instars II-V. The total FAA content and other constituents present in the excreta decreased during larval growth. Individually, most of the FAA followed this broad pattern of quantitative change. However, the leucines present in the excreta generally increased. Changes in these constituents have been related to various physiological events during larval growth.","PeriodicalId":19014,"journal":{"name":"Monitore Zoologico Italiano-Italian Journal of Zoology","volume":"1 1","pages":"199-205"},"PeriodicalIF":0.0,"publicationDate":"2013-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87061396","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-07-12DOI: 10.1080/00269786.1974.10736231
M. Franzoni, A. Fasolo, L. Bettini, V. Mazzi
SUMMARY The morphological changes in the pars nervosa of the crested newt caused by transection of the hypothalamic floor just in front of the median eminence, were studied at various postoperative intervals. One to 2 days after the operation some dense bodies can be observed within the neurosecretory fibres. However, the most conspicuous changes are detectable after 4 to 7 days. Neurosecretory fibres, appear heavily electrondense as the elementary granules become more densely packed. The fibres often break into fragments and appear widely separated from one another, modifying the general pattern of the pars nervosa. Both ependymal cells and pituicytes are characterized by a strong macrophagic activity towards degenerating nerve fibres which often appear to be engulfed by them. Myelin-like formations containing vacuoles, empty vesicles and dense granules (1200–2000 A in diameter) can be observed among the nerve fibres. Pituicytes, generally rare in the normal animal, show an apparent increase in their num...
{"title":"ULTRASTRUCTURE OF THE DISCONNECTED PARS NERVOSA OF THE CRESTED NEWT (TRITURUS CRISTATUS CARNIFEX LAUR)","authors":"M. Franzoni, A. Fasolo, L. Bettini, V. Mazzi","doi":"10.1080/00269786.1974.10736231","DOIUrl":"https://doi.org/10.1080/00269786.1974.10736231","url":null,"abstract":"SUMMARY The morphological changes in the pars nervosa of the crested newt caused by transection of the hypothalamic floor just in front of the median eminence, were studied at various postoperative intervals. One to 2 days after the operation some dense bodies can be observed within the neurosecretory fibres. However, the most conspicuous changes are detectable after 4 to 7 days. Neurosecretory fibres, appear heavily electrondense as the elementary granules become more densely packed. The fibres often break into fragments and appear widely separated from one another, modifying the general pattern of the pars nervosa. Both ependymal cells and pituicytes are characterized by a strong macrophagic activity towards degenerating nerve fibres which often appear to be engulfed by them. Myelin-like formations containing vacuoles, empty vesicles and dense granules (1200–2000 A in diameter) can be observed among the nerve fibres. Pituicytes, generally rare in the normal animal, show an apparent increase in their num...","PeriodicalId":19014,"journal":{"name":"Monitore Zoologico Italiano-Italian Journal of Zoology","volume":"116 1","pages":"159-175"},"PeriodicalIF":0.0,"publicationDate":"2013-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87669032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-07-12DOI: 10.1080/03749444.1977.10736846
J. Hulselmans
SUMMARY The author studied a small but interesting collection of Bufo from Somalia and Ethiopia, which comprehends B. garmani Meek, 1897, B. steindachneri Pfeffer, 1893, B. blanfordi Boulenger, 1882, B. dodsoni Boulenger, 1895, B. sp. aff. lughensis Loveridge, 1932 and two other at present unidentifiable species.
作者研究了一个来自索马里和埃塞俄比亚的小而有趣的蟾蜍标本，其中包括B. garmani Meek (1897)， B. steindachneri Pfeffer (1893)， B. blanfordi Boulenger (1882)， B. dodsoni Boulenger (1895)， B. sp. aff. lughensis Loveridge(1932)和另外两个目前无法识别的物种。
{"title":"NOTES ON A COLLECTION OF TOADS FROM ETHIOPIA AND SOMALIA","authors":"J. Hulselmans","doi":"10.1080/03749444.1977.10736846","DOIUrl":"https://doi.org/10.1080/03749444.1977.10736846","url":null,"abstract":"SUMMARY The author studied a small but interesting collection of Bufo from Somalia and Ethiopia, which comprehends B. garmani Meek, 1897, B. steindachneri Pfeffer, 1893, B. blanfordi Boulenger, 1882, B. dodsoni Boulenger, 1895, B. sp. aff. lughensis Loveridge, 1932 and two other at present unidentifiable species.","PeriodicalId":19014,"journal":{"name":"Monitore Zoologico Italiano-Italian Journal of Zoology","volume":"70 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2013-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85903414","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-07-12DOI: 10.1080/00269786.1976.10736279
A. Cavagnuolo, L. Varano, F. D. Corte, R. Putti
SUMMARY The morphology of the Leydig cells and of the myoid peritubular cells in the testis of the Gotting mini-pig (Sus scrofa L.) is described at the optic microscope and electron microscope levels. The Leydig cells, which are more abundant than in any other mammalian species, are large and of two types, although intermediate stages exist. Type I show a clear nucleus devoid of large eterochromatine blocks, a large cytoplasm; mitochondria with poorly developed cristae are packed in the centre of the cell. The SER, with enlarged tubules and vesicles, is well developed at the periphery of the cell. The RER is scanty. Type II cells show a nucleus richer in eterochromatin, mitochondria equipped with many tubular cristae and more scattered, a SER made up of narrow tubules and a more abundant RER. The Δ-5-3-β-HSDII reaction is strongly positive in all the cells. The two cellular types probably correspond to different functional stages. The seminiferous tubule wall appears to be formed by a double connective la...
{"title":"THE STRUCTURE AND ULTRASTRUCTURE OF THE LEYDIG CELLS AND THE MYOID PERITUBULAR CELLS IN THE MINI-PIG TESTIS","authors":"A. Cavagnuolo, L. Varano, F. D. Corte, R. Putti","doi":"10.1080/00269786.1976.10736279","DOIUrl":"https://doi.org/10.1080/00269786.1976.10736279","url":null,"abstract":"SUMMARY The morphology of the Leydig cells and of the myoid peritubular cells in the testis of the Gotting mini-pig (Sus scrofa L.) is described at the optic microscope and electron microscope levels. The Leydig cells, which are more abundant than in any other mammalian species, are large and of two types, although intermediate stages exist. Type I show a clear nucleus devoid of large eterochromatine blocks, a large cytoplasm; mitochondria with poorly developed cristae are packed in the centre of the cell. The SER, with enlarged tubules and vesicles, is well developed at the periphery of the cell. The RER is scanty. Type II cells show a nucleus richer in eterochromatin, mitochondria equipped with many tubular cristae and more scattered, a SER made up of narrow tubules and a more abundant RER. The Δ-5-3-β-HSDII reaction is strongly positive in all the cells. The two cellular types probably correspond to different functional stages. The seminiferous tubule wall appears to be formed by a double connective la...","PeriodicalId":19014,"journal":{"name":"Monitore Zoologico Italiano-Italian Journal of Zoology","volume":"36 1","pages":"381-402"},"PeriodicalIF":0.0,"publicationDate":"2013-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86622976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-07-12DOI: 10.1080/00269786.1970.10736145
R. Gauba
SUMMARY 1. Support is cited for the establishment of a separate family, Chacidae comprising the monotypic genus Chaca based on the obtained osteological data. 2. The osteological characterisation of family Chacidae as well as genus Chaca is provided: very broad and depressed skull; very wide mouth gape bounded by unequal jaws; quite broad ethmoid with long and stout cornua; strongly projecting lateral ethmoid; toothless but conspicuous vomer; forked lachrymal; suborbitals lacking; very much reduced nasals; occipital process peculiarly modified. Movable premaxillae, quite large and broad palatine; minute ectopterygoid; hyomandibula solely sustained from the sphenotic; single hypohyal; eight branchiostegal rays; no basibranchials and gill-rakers and single pharyngobranchial. 3. The relationship of the family Chacidae with the Siluridae, Plotosidae, Bagridae and Sisoridae on the evidence of osteology is discussed and osteological support is found for its close affinity with the Sisoridae. 4. A brief discussi...
{"title":"THE OSTEOLOGY OF FAMILY CHACIDAE: 1. THE SKULL OF CHACA CHACA (HAMILTON)","authors":"R. Gauba","doi":"10.1080/00269786.1970.10736145","DOIUrl":"https://doi.org/10.1080/00269786.1970.10736145","url":null,"abstract":"SUMMARY 1. Support is cited for the establishment of a separate family, Chacidae comprising the monotypic genus Chaca based on the obtained osteological data. 2. The osteological characterisation of family Chacidae as well as genus Chaca is provided: very broad and depressed skull; very wide mouth gape bounded by unequal jaws; quite broad ethmoid with long and stout cornua; strongly projecting lateral ethmoid; toothless but conspicuous vomer; forked lachrymal; suborbitals lacking; very much reduced nasals; occipital process peculiarly modified. Movable premaxillae, quite large and broad palatine; minute ectopterygoid; hyomandibula solely sustained from the sphenotic; single hypohyal; eight branchiostegal rays; no basibranchials and gill-rakers and single pharyngobranchial. 3. The relationship of the family Chacidae with the Siluridae, Plotosidae, Bagridae and Sisoridae on the evidence of osteology is discussed and osteological support is found for its close affinity with the Sisoridae. 4. A brief discussi...","PeriodicalId":19014,"journal":{"name":"Monitore Zoologico Italiano-Italian Journal of Zoology","volume":"35 1","pages":"21-40"},"PeriodicalIF":0.0,"publicationDate":"2013-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83915652","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-07-12DOI: 10.1080/00269786.1969.10736131
R. Gauba
SUMMARY The genus Glyptosternum is diagnosed osteologically. In the arrangement and topography of bones, the skull shows resemblance to the Siluroid configuration. Reduction in the number of bones is a feature of the catfishes and is farthest reached in G. reticulatum, which tends to lose interhyals, entopterygoids, supratemporals and second hypohyal on each ramus of hyoid arch. The vomer and ectopterygoid are without teeth and the hyomandibula is suspended solely from the sphenotic. Of the two prominent fontanels, the posterior frontoccipital fontanel is confined between the frontals and supraoccipital. An additional bone associated with the orbit is reported in this catfish. The circumorbital ring is divided into many tiny pieces. The posttemporal is unforked, lacks the inferior limb and is suturally united with the posterolateral flank of the skull. The occipital process is quite feeble and the posterior part of the skull is not deeply excavated. Support is cited for splitting up of the composite genus...
{"title":"THE HEAD SKELETON OF GLYPTOSTERNUM RETICULATUM McCLELLAND & GRIFFITH","authors":"R. Gauba","doi":"10.1080/00269786.1969.10736131","DOIUrl":"https://doi.org/10.1080/00269786.1969.10736131","url":null,"abstract":"SUMMARY The genus Glyptosternum is diagnosed osteologically. In the arrangement and topography of bones, the skull shows resemblance to the Siluroid configuration. Reduction in the number of bones is a feature of the catfishes and is farthest reached in G. reticulatum, which tends to lose interhyals, entopterygoids, supratemporals and second hypohyal on each ramus of hyoid arch. The vomer and ectopterygoid are without teeth and the hyomandibula is suspended solely from the sphenotic. Of the two prominent fontanels, the posterior frontoccipital fontanel is confined between the frontals and supraoccipital. An additional bone associated with the orbit is reported in this catfish. The circumorbital ring is divided into many tiny pieces. The posttemporal is unforked, lacks the inferior limb and is suturally united with the posterolateral flank of the skull. The occipital process is quite feeble and the posterior part of the skull is not deeply excavated. Support is cited for splitting up of the composite genus...","PeriodicalId":19014,"journal":{"name":"Monitore Zoologico Italiano-Italian Journal of Zoology","volume":"22 1","pages":"1-17"},"PeriodicalIF":0.0,"publicationDate":"2013-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81268865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-07-12DOI: 10.1080/00269786.1972.10736195
S. Filoni, V. Margotta, G. Gibertini
SUMMARY Seventy Xenopus laevis Daudin larvae (55 at stage 50 and 15 at stage 52–53, according to NIEUWKOOP & FABER, 1956) were submitted to bilateral ablation of the optic lobes and a study was made on the gradual evolution of the regenerative process from the 10th-90th day after the operation. The results obtained demonstrated that: 1. Regeneration of the optic tectum takes place by means of neural elements originating in the ependymal layer of the mesencephalic body. These cells, after covering the resection surface, multiply actively and, attaching themselves to the internal surface of the primitive pia mater, they migrate dorsally. The formation of a primary tectal lamina can be observed on about the 10th post-operative day. 2. In the early stages of the regenerative process of the optic tectum two factors have been shown to be of fundamental importance, regeneration of the pia mater and the pressure exerted by the rachidian-encephalic fluid. 3. Up to the 10th post-operative day the primary tectal lam...
{"title":"ANALYSIS OF THE REGENERATIVE PROCESS OF THE OPTIC TECTUM IN AN ANURAN (XENOPUS LAEVIS DAUDIN) FOLLOWING REMOVAL OF BOTH OPTIC LOBES","authors":"S. Filoni, V. Margotta, G. Gibertini","doi":"10.1080/00269786.1972.10736195","DOIUrl":"https://doi.org/10.1080/00269786.1972.10736195","url":null,"abstract":"SUMMARY Seventy Xenopus laevis Daudin larvae (55 at stage 50 and 15 at stage 52–53, according to NIEUWKOOP & FABER, 1956) were submitted to bilateral ablation of the optic lobes and a study was made on the gradual evolution of the regenerative process from the 10th-90th day after the operation. The results obtained demonstrated that: 1. Regeneration of the optic tectum takes place by means of neural elements originating in the ependymal layer of the mesencephalic body. These cells, after covering the resection surface, multiply actively and, attaching themselves to the internal surface of the primitive pia mater, they migrate dorsally. The formation of a primary tectal lamina can be observed on about the 10th post-operative day. 2. In the early stages of the regenerative process of the optic tectum two factors have been shown to be of fundamental importance, regeneration of the pia mater and the pressure exerted by the rachidian-encephalic fluid. 3. Up to the 10th post-operative day the primary tectal lam...","PeriodicalId":19014,"journal":{"name":"Monitore Zoologico Italiano-Italian Journal of Zoology","volume":"17 1","pages":"213-229"},"PeriodicalIF":0.0,"publicationDate":"2013-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79362195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-07-12DOI: 10.1080/00269786.1986.10736497
P. Brandmayr, T. Z. Brandmayr
SUMMARY The predatory and feeding behaviour of three Licinus species (Coleoptera Carabidae Licinini), cassideus Dejean, hoffmannseggi Panzer and italicus Puel has been observed in the laboratory by offering the beetles eight species of terrestrial gastropods of the families Zonitidae and Helicidae, and some specimens of the prosobranch Pomatias elegans (Muller). These licinine carabids behave as highly specialized oligophagous predators and are able to crush the shells of the snails by means of a peculiar instinctive behaviour pattern that has been called «shell crushing». During this action sequence the shell is opened along the upper part of the body whorl by slow bites which are made at a suitable angle. The breach stretches on to a part of the second whorl. A remarkable plasticity of this predatory action sequence has been observed in relation to the size of the prey and to the barrier given by a calcareous operculum Pomadas). This behaviour pattern is supported by a specialized head morphology, a com...
{"title":"FOOD AND FEEDING BEHAVIOUR OF SOME LICINUS SPECIES (COLEOPTERA CARABIDAE LICININI)","authors":"P. Brandmayr, T. Z. Brandmayr","doi":"10.1080/00269786.1986.10736497","DOIUrl":"https://doi.org/10.1080/00269786.1986.10736497","url":null,"abstract":"SUMMARY The predatory and feeding behaviour of three Licinus species (Coleoptera Carabidae Licinini), cassideus Dejean, hoffmannseggi Panzer and italicus Puel has been observed in the laboratory by offering the beetles eight species of terrestrial gastropods of the families Zonitidae and Helicidae, and some specimens of the prosobranch Pomatias elegans (Muller). These licinine carabids behave as highly specialized oligophagous predators and are able to crush the shells of the snails by means of a peculiar instinctive behaviour pattern that has been called «shell crushing». During this action sequence the shell is opened along the upper part of the body whorl by slow bites which are made at a suitable angle. The breach stretches on to a part of the second whorl. A remarkable plasticity of this predatory action sequence has been observed in relation to the size of the prey and to the barrier given by a calcareous operculum Pomadas). This behaviour pattern is supported by a specialized head morphology, a com...","PeriodicalId":19014,"journal":{"name":"Monitore Zoologico Italiano-Italian Journal of Zoology","volume":"42 1","pages":"171-181"},"PeriodicalIF":0.0,"publicationDate":"2013-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78621911","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2013-07-12DOI: 10.1080/00269786.1978.10736318
R. Mezzanotte, L. Ferrucci
SUMMARY The sibling species A. atroparvus (van Thiel) and A. labranchiae (Falleroni) (Diptera Culicidae) were studied from a cytological viewpoint, using techniques which seem able to show constitutive heterochromatin (C banding) and/or the possible presence of specific base sequences perhaps bound to particular chromatinic proteins (Q banding) in metaphase chromosomes of cytological preparations from brains and/or testes. The responses to these techniques confirmed previous cytological, biochemical-genetic and ethological observations, on the basis of which the collocation of these two species as sibling species within the maculipennis (Meigen) group of the Anopheles genus was determined. The structure of A. labranchiae chromatin seems to be different that of A. atroparvus, expecially after Q banding.
{"title":"RECOGNITION OF THE SIBLING SPECIES ANOPHELES ATROPARVUS (VAN THIEL) AND ANOPHELES LABRANCHIAE (FALLERONI) (DIPTERA CULICIDAE) ON THE BASIS OF Q AND C BANDING","authors":"R. Mezzanotte, L. Ferrucci","doi":"10.1080/00269786.1978.10736318","DOIUrl":"https://doi.org/10.1080/00269786.1978.10736318","url":null,"abstract":"SUMMARY The sibling species A. atroparvus (van Thiel) and A. labranchiae (Falleroni) (Diptera Culicidae) were studied from a cytological viewpoint, using techniques which seem able to show constitutive heterochromatin (C banding) and/or the possible presence of specific base sequences perhaps bound to particular chromatinic proteins (Q banding) in metaphase chromosomes of cytological preparations from brains and/or testes. The responses to these techniques confirmed previous cytological, biochemical-genetic and ethological observations, on the basis of which the collocation of these two species as sibling species within the maculipennis (Meigen) group of the Anopheles genus was determined. The structure of A. labranchiae chromatin seems to be different that of A. atroparvus, expecially after Q banding.","PeriodicalId":19014,"journal":{"name":"Monitore Zoologico Italiano-Italian Journal of Zoology","volume":"264 13-16","pages":"211-218"},"PeriodicalIF":0.0,"publicationDate":"2013-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91509034","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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