Macrosiphum dryopteridis (Holman, 1959)

Fig. 35

Diagnosis

Aptera 2.5–4.2 mm, yellowish green (rarely bright green). Eyes black. Abd. dorsum sclerotised (but neither darkened nor distinctly glossy), segmental borders obliterated. Siphunculi slightly swollen distally. Ant. segment 3 with 0–10 rhinaria. RIV+V less than 0.14 mm. Holocyclic, monoecious. Shady places, parks, gardens, mixed and deciduous forests. Not ant-attended.

Recorded hosts

Athyriaceae: Athyrium distentifolium, A. filix-femina *; Cystopteridaceae: Gymnocarpium dryopteris, G. robertianum; Dennstaedtiaceae: Pteridium aquilinum; Dryopteridaceae: Dryopterix carthusiana *, D. cristata *, D. dilatata, D. filix-mas; Polypodiaceae: Polypodium vulgare; Thelypteridaceae: Phegopteris connectilis, Thelypteris palustris .

Distribution

F N S.