Burnettweldia conalis

Burnettweldia conalis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Cynipidae
Genus:	Burnettweldia
Species:	B. conalis
Binomial name
	Burnettweldia conalis; (Weld, 1926)
Synonyms
	Disholcaspis conalis

Last updated January 02, 2026

Burnettweldia conalis, formerly Disholcaspis conalis, the witches' hat gall wasp, is a species of hymenopteran that induces stem galls on Oregon oaks in North America.^[1] The conical stem galls look like witches' hats lined up on a stick.^[1] The base of the detachable gall appears to grip the stem.^[1] Typical galls are 10 to 18 millimeters tall.^[2] Young galls are green, aging galls are fuzzy, and old galls are beige.^[2] The type species was collected in Sequoia National Park.^[2]

References

1 2 3 Russo, Ron (2006) [1979]. Field Guide to Plant Galls of California and other Western States. California Natural History Guide No. 91 (Rev. ed.). Berkeley, Calif.: University of California Press. p. 133. ISBN 978-0-520-24886-1. LCCN 2006009332. OCLC 65207054.
1 2 3 Weld, Lewis H. (1926). "Field notes on gall-inhabiting cynipid wasps with descriptions of new species" (PDF). Proceedings of the United States National Museum. 68 (2611). U.S. Government Printing Office: 37. doi:10.5479/si.00963801.68-2611.1.

External links

gallformers.org - Burnettweldia conalis

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[Russo_2006-1] 1 2 3 Russo, Ron (2006) [1979]. Field Guide to Plant Galls of California and other Western States. California Natural History Guide No. 91 (Rev. ed.). Berkeley, Calif.: University of California Press. p. 133. ISBN 978-0-520-24886-1. LCCN 2006009332. OCLC 65207054.

[Weld_1926-2] 1 2 3 Weld, Lewis H. (1926). "Field notes on gall-inhabiting cynipid wasps with descriptions of new species" (PDF). Proceedings of the United States National Museum. 68 (2611). U.S. Government Printing Office: 37. doi:10.5479/si.00963801.68-2611.1.

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