Description and Biology of the Sexual Generation of Disholcaspis quercusmamma (Walsh and Riley) (Hymenoptera: Cynipidae), with Notes on Associated Parasitoids

Crystal McEwen; Scott Digweed; James A. Nicholls; Whitney Cranshaw

doi:10.4289/0013-8797.116.3.294

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10 October 2014 Description and Biology of the Sexual Generation of Disholcaspis quercusmamma (Walsh and Riley) (Hymenoptera: Cynipidae), with Notes on Associated Parasitoids

Crystal McEwen, Scott Digweed, James A. Nicholls, Whitney Cranshaw

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Proceedings of the Entomological Society of Washington, 116(3):294-310 (2014). https://doi.org/10.4289/0013-8797.116.3.294

Abstract

The adults and gall of the sexual generation of the oak gall wasp Disholcaspis quercusmamma (Walsh and Riley) (Hymenoptera: Cynipidae) are described and matched with the alternate asexual generation for the first time. We also provide notes on the taxonomy, life history, and mode of sex determination of these insects. Chalcidoid parasitoids reared from the sexual generation were Sycophila dubia (Walsh) (Eurytomidae), Torymus denticulatus Breland (Torymidae), Mesopolobus sp., and Pteromalus sp. (Pteromalidae). This rearing of T. denticulatus is a new record for Colorado and a new associate of D. quercusmamma.

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Crystal McEwen, Scott Digweed, James A. Nicholls, and Whitney Cranshaw "Description and Biology of the Sexual Generation of Disholcaspis quercusmamma (Walsh and Riley) (Hymenoptera: Cynipidae), with Notes on Associated Parasitoids," Proceedings of the Entomological Society of Washington 116(3), 294-310, (10 October 2014). https://doi.org/10.4289/0013-8797.116.3.294

Published: 10 October 2014

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