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

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

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.

Original languageEnglish
Pages (from-to)294-310
Number of pages17
JournalProceedings of the Entomological Society of Washington
Volume116
Issue number3
DOIs
Publication statusPublished - 1 Jul 2014

Keywords / Materials (for Non-textual outputs)

  • bulletgall wasp
  • Cynipini
  • hetergony
  • Mesopolobus
  • Pteromalus
  • Quercus
  • Sycophila dubia
  • Torymus denticulatus

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