Cinara (Cupressobium) juniperi (De Geer, 1773)

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 : 41

Cinara (Cupressobium) juniperi (De Geer, 1773)

Figs 113–115

Diagnosis

Apterae 2–2.5 mm, rather light reddish brown, rarely olive, with a wax coating of variable thickness and extent, typically leaving two longitudinal stripes bare or with thinner wax. Hairs on tibiae longer than in C. smolandiae , on the outer side of hind tibia longer than 1.5 × width of tibia. Spinopleural sclerites present on meso- and metanotum and abdominal tergites 1–2 (–5). Juveniles with paler legs and usually thinner wax coating. Holocyclic, monoecious on Juniperus and Thuja . Found in open woodland, forest margins and dry meadows, sea shores, rocky habitats; in small colonies on thin twigs, only rarely on thicker branches. Usually ant-attended.

Recorded hosts

Cupressaceae : Juniperus chinensis , communis *, sabina , squamata , virginiana ; Thuja occidentalis .

Recorded attendant ants

Formicinae : Formica cinerea *, clara *, fusca *, polyctena *, rufa *; Lasius fuliginosus *, niger *. Myrmicinae: Myrmica rubra *.

Distribution

D F G N S.

Figures

Fig. 113. Cinara (Cupressobium) juniperi (De Geer, 1773). Colonies on young shoots of Juniperus communis, in B attended by Formica cinerea Mayr, 1853.

Fig. 114. Cinara (Cupressobium) juniperi (De Geer, 1773) on Juniperus communis. A–B. Fundatrix with offspring on previous year’s twig, attended by Formica rufa Linnaeus, 1761. C–D. Colony on current year’s growth, attended by Lasius niger (Linnaeus, 1758).

Fig. 115. Cinara (Cupressobium) juniperi (De Geer, 1773). Colonies on current and previous year’s twigs of Juniperus communis, in F attended by Myrmica rubra (Linnaeus, 1758).