Rearing Techniques for Creophilus maxillosus (Coleoptera: Staphylinidae), a Predator of Fly Larvae in Cattle Feedlots

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Abstract:

Laboratory rearing methods were developed for the hairy rove beetle, Creophilus maxillosus L. Adults produced more eggs and lived longer when fed blowfly, Calliphora sp., larvae than when fed house fIy, Musca domestica L., larvae. Well-fed adults produced 8.1 eggs per day compared with starved females, who produced 2.2 eggs per day. Wet sand was used as a rearing substrate; 4-6% moisture by weight was preferred by larvae, prepupae, and adults over that with 2% moisture. However, eggs hatched equally at all 3 moisture levels. Egg production decreased when sand became contaminated. Fresh sand resulted in increased egg laying. Survival was low (40%)from egg to 1st instar and during the prepupal stage (52%). Adults resulted from 87% of the healthy pupae. With 30% survival rate from egg to adult and a rate of lay of 500 eggs per adult female, an estimated 421,865 females could be produced in 3 generations.

Document Type: Research Article

Publication date: August 1, 1996

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