Burnettweldia conalis (agamic)

Family: Cynipidae | Genus: Burnettweldia
Detachable: detachable
Color: brown, pink, red, white, yellow, green, black, tan
Texture: pubescent, hairy, hairless
Abundance: occasional
Shape: conical
Season: Fall, Summer
Related:
Alignment: erect, drooping, leaning
Walls: thick
Location: stem
Form: bullet
Cells: monothalamous
Possible Range:i
Common Name(s): Witches Hat Gall Wasp
Synonymy:
Pending...
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image of Burnettweldia conalis (agamic)
image of Burnettweldia conalis (agamic)
image of Burnettweldia conalis (agamic)
image of Burnettweldia conalis (agamic)
image of Burnettweldia conalis (agamic)
image of Burnettweldia conalis (agamic)
image of Burnettweldia conalis (agamic)
image of Burnettweldia conalis (agamic)
image of Burnettweldia conalis (agamic)

Three new Nearctic genera of oak cynipid gall wasps (Hymenoptera: Cynipidae: Cynipini): Burnettweldia Pujade-Villar, Melika & Nicholls, Nichollsiella Melika, Pujade-Villar & Stone, Disholandricus Melika, Pujade-Villar & Nicholls; and re-establishment of the genus Paracraspis Weld

Burnettweldia conalis (Weld 1926), comb. nov.
Asexual

Hosts: Quercus garryana, berberidifolia [see ID Notes]

[A photo of the gall appears on page 32 of the pdf]

Gall. (Fig 92). Detachable monolocular stem galls, pointed, conical, glabrous, occur singly or in clusters of 2–5. The gall is 12–15 mm high and 8–9 mm wide at the base; sides of the gall are smooth; the base of the gall wraps over the stem; larval chamber centrally positioned in the gall base and perpendicular to the gall vertical axis. The parenchyma tissue is soft, not woody, epidermal layer thin; color of growing galls pale green with white pile which turns reddish; mature galls light brown, old galls dark brown to black, not deciduous (Burnett 1977, Russo 2006).

Biology. Galls develop in summer; adults emerge in early autumn. Galls on Q. berberidifolia, Q. garryana (Burks 1979)

Range: CA, Sierra Nevada mountains

- George Melika, Juli Pujade-Villar, James Nicholls, Victor Cuesta-Porta, Crystal Cooke-McEwen, Graham Stone: (2021) Three new Nearctic genera of oak cynipid gall wasps (Hymenoptera: Cynipidae: Cynipini): Burnettweldia Pujade-Villar, Melika & Nicholls, Nichollsiella Melika, Pujade-Villar & Stone, Disholandricus Melika, Pujade-Villar & Nicholls; and re-establishment of the genus Paracraspis Weld©


Further Information:
Pending...

See Also:
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