G. Montelongo-Ruíz, J. C. Chacón-Hernández, Madai Rosas-Mejía, A. Hernández-Juárez, S. Ordaz-Silva, Sandra G. Mora-Ravelo, V. Vanoye‐Eligio
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Functional Response of Pseudodoros clavatus Fabricius on Aphis nerii Boyer de Fonscolombe
Abstract. Functional response of Pseudodoros clavatus Fabricius (Diptera: Syrphidae) preying on oleander aphid, Aphis nerii Boyer de Fonscolombe (Hemiptera: Aphididae), on leaves of Cynanchum racemosu var. unifarium was determined during a 24-hour period. Type of functional response was determined by logistic regression analysis that suggested larval stages I, II, and III of P. clavatus had a type II functional response. Handling time decreased with the state of development of the syphid. The attack rate was greater in larval stage I compared to larval stages II and III. Larval stage III had a greater attack rate than did larval stage II of P. clavatus. First, second, and third larval stages of P. clavatus ate an increasing number of A. nerri nymphs as abundance of prey increased.
期刊介绍:
Manuscripts submitted for consideration for publication in the Southwestern Entomologist should report results of entomological research in the southwestern United States or Mexico or should report results of studies on entomological species, relevant to this region, which may be done elsewhere, provided such results are geographically applicable. Manuscripts that report results of routine laboratory or field experiments for which the primary purpose is gathering baseline data or those that report results of a continuous evaluation program such as preliminary pesticide evaluation experiments, species lists with no supporting biological data, or preliminary plant resistance evaluations are not acceptable. However, reports of experiments with insecticides, acaricides, and microbials are acceptable if they are comprehensive and include data related to economics, resistance, toxicology, or other broad subject areas. Bibliographies will not be published in Southwestern Entomologist.