Plant Parasites of Europe

leafminers, galls and fungi

Arge pagana

Arge pagana (Panzer, 1798)

on Rosa

Arge pagana on Rosa spec.

Rosa spec., UK, Norfolk, Downham Market. 15.vii.2022 © Rob Edmunds

Arge pagana larva on Rosa canina

Rosa canina, Hungary, Jánossomorja, 17.vi.2018 © László Érsek: young larvae

Arge pagana larva on Rosa canina

Rosa canina, Hungary, Kimle, 4.ix.2017 © László Érsek: fully grown larva

Arge pagana larva on Rosa canina

another image

Arge pagana: oviposition details

Rosa canina, Hungary, Budapest, Kamaraerdő, 26.v.2021 © László Érsek: ovipositing female

Arge pagana: oviposition details

detail

Arge pagana: oviposition details

from above

Arge pagana: oviposition details

fresh oviposition scar

Arge pagana: oviposition details

transverse section: two egg chambers

Arge pagana: oviposition details

detail

Arge pagana: oviposition details

length section through one of the egg chambers

Arge pagana: oviposition details

egg

gall

eggs are deposited in two length rows in a young shoot. As the shoot becomes older and thicker, an elliptic scar remains. Larvae free on the leaves.

host plants

Rosaceae, monophagous

Rosa canina, majalis, multiflora.

notes

The larvae of A. pagana and A. ochropus are quite similar, en aften occur together. Often, pagana larvae have an undivided black spot on the abdominal segment, while in ochropus this spot is divided in two. A fully reliable difference, according to Chevin, is that in pagana the black dots of the abdominal segments, seen from above, are arranged in neat length rows, while in ochropus they form much more untidy rows.

references

Benson (1961a), Buhr (1965a), Burggraaf-van Nierop & van Achterberg (1990a), Chevin (1972a), Gyurkovics & Haris (2012a), Haris (2009a, 2012a), Hoop (1983a), Kofler & Schedl (2010a), Macek (2012c), Pschorn-Walcher & Altenhofer (2000a), Savina & Chevin (2012a), Schwarz (2004a), Taeger, Altenhofer, Blank, ao (1998a), Vicidomini & Russo (2007a), Zhao & Hua (2016a).

Last modified 15.i.2023