Brachycaudus (Brachycaudus) helichrysi (Kaltenbach, 1843)

Albrecht, Anders Christian, 2017, Illustrated identification guide to the Nordic aphids feeding on Conifers (Pinophyta) (Insecta, Hemiptera, Sternorhyncha, Aphidomorpha), European Journal of Taxonomy 338, pp. 1-160: 43-44

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Brachycaudus (Brachycaudus) helichrysi (Kaltenbach, 1843)


Brachycaudus (Brachycaudus) helichrysi (Kaltenbach, 1843)  


Aptera 1–1.8 mm, pale green, yellow or yellowish white, ovoid, slightly dorsoventrally flattened. Appendages apically darkened. Siphunculi conical, 1–1.5 times as long as wide. Holocyclic, dioecious, alternating between Prunus   ( Rosaceae   ) and Asteraceae   and Boraginaceae   . Cryptomeria   is hardly a true host. Often attended by ants, but no record from conifers.

Recorded coniferous hosts

Cupressaceae   : Cryptomeria japonica   ?


D F I N S.

F6 (F2 F5) Siphunculi parallel-sided, more than 4 times as long as wide .......... Myzus Passerini, 1860