Preference and Oviposition Rates of Adult Thanasimus dubius (F.)1 on Three Prey Species2

Autor:	T. Evan Nebeker, Russell F. Mizell
Rok vydání:	1982
Předmět:	Ecology biology Cleridae Weevil Ips avulsus Zoology biology.organism_classification Predation Callosobruchus maculatus Insect Science Botany Thanasimus dubius Ecology Evolution Behavior and Systematics Dendroctonus frontalis
Zdroj:	Environmental Entomology. 11:139-143
ISSN:	1938-2936 0046-225X
DOI:	10.1093/ee/11.1.139
Popis:	The relative preference of adult Thanasimus dubius (F.) (Coleoptera: Cleridae) for two natural prey, the southern pine beetle, Dendroctonus frontalis Zimm., and the small (four-spined) southern pine engraver, Ips avulsus (Eichh.) (Scolytidae), and for a laboratory prey, the cowpea weevil, Callosobruchus maculatus (L.) (Bruchidae), was determined. Newly emerged, hungry T. dubius preferred the two natural prey over C. maculatus , but consumed I. avulsus and D. frontalis as encountered. A 7-day conditioning period did not affect the preference; all predators, when offered a choice of three prey species, preferred I. avulsus . Egg production was significantly lower for T. dubius fed C. maculatus , and egg viability was significantly lower for T. dubius reared on D. frontalis .
Databáze:	OpenAIRE
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