Pyropteron triannuliformis (Freyer, 1843)

on Rumex

gall

about 1.5 cm long swelling of a root; inside a single off-white caterpillar or a pupa.

hostplants

Polygonaceae, monophagous

Rumex acetosa, acetosella, aetnensis, crispus, obtusifolius, palustris.

Occasionally Geranium sanguineum.

larva, pupa

Larva and pupa are extensively described by Bąkowski.

synonyms

Bembecia, Chamaesphecia, Sesia, Synansphecia, triannuliformis.

references

Bąkowski (2013b), Bella, Bartsch & Laštůvka (2017a [“triannuliforme”]), Buhr (1965a), Dauphin & Aniotsbehere (1997a), Houard (1908a), Laštůvka & Laštůvka (2001a), Predovnik (2018a), Pühringer (1996a), Toševski in litt. (2018).

mod 26.ix.2018