Illustrated identification guide to the Nordic aphids feeding on Conifers (Pinophyta) (Insecta, Hemiptera, Sternorhyncha, Aphidomorpha)
Author
Albrecht, Anders Christian
text
European Journal of Taxonomy
2017
2017-07-24
338
1
160
journal article
22023
10.5852/ejt.2017.338
be9f3ab9-3131-4e11-8d29-a94275ffaac9
2118-9773
3834349
86786AB1-4A1A-4A1E-B42B-53B73D66ED60
Adelges (Gilletteella) cooleyi
(Gillette, 1907)
Figs 15–16
Diagnosis
Fund. juv: dorsal sclerites with groups of 8–30 ring-like wax pores. Al. gallicola:
1.7–2.5 mm
, wax glands on head and prothorax of al. gallicola with large distinct facets; rhinaria on ant. III–V transverse, slit-like. Gall
25–80 mm
, spindle-shaped, needles from widened bases strongly protruding. Chambers separate with green, pink or red openings. Holocyclic and dioecious, alternating between
Picea
and
Pseudotsuga
(p. 28).
Recorded primary hosts
Pinaceae
:
Picea sitchensis
(usually),
engelmannii
,
glauca
,
jezoensis
,
mariana
,
pungens
.
Distribution
D F N S.