Dasineura similis (Löw, 1888)

on Veronica

Dasineura similis: gall on Veronica anagallis-aquatica

Veronica anagallis-aquatica, Belgium, prov. Limbourg, Dal van de Grensmaas, Hochter Bampd-Herbicht, 1.ix.2019 © Carina Van Steenwinkel

Dasineura similis: gall on Veronica anagallis-aquatica

another specimen

Dasineura cf similis on Veronica anagallis-aquatica

galled flowers, probably caused by the same species

Dasineura cfsimilis on Veronica anagallis-aquatica

larva

Jaapiella veronicae: gall on Veronica catenata

Veronica catenata, Belgium, prov. Limbourg, Maasmechelen, Maesbeempder Greend, 20.viii.2019 © Carina Van Steenwinkel

Jaapiella veronicae: gall on Veronica catenata

gall with larva

Jaapiella veronicae: gall on Veronica catenata

gall (the exuvium of from a different insect)

Dasineura similis: gall on Veronica scutellata

Veronica scutellata, Belgium, prov. Namur, Liernu © Jean-Yves Baugnée

Dasineura similis: gall on Veronica officinalis

Veronica officinalis, Belgium, prov. Namur, Doische, Matagne-la-Petite © Stéphane Claerebout

Dasineura similis: gall on Veronica

another example of the gall

Dasineura similis: group of larvae

some larvae

Dasineura similis:  larva

mature larva

gall

The topmost leaf pair is reddened, swollen, shell-shaped. The two leaves, pressed against each other form a gall chamber. The larvae are gregarious, orange-yellow. Probably univoltine; pupation in the gall (occasionally also in the soil) in a white cocoon.

hostplants

Plantaginaceae, monophagous

Veronica anagallis-aquatica, beccabunga, chamaedrys, officinalis, scutellata, serpyllifolia.

synonyms

Cecidomyia, Perrisia, similis.

notes

The larvae of Dasineura similis and Jaapiella veronicae cannot be separated macroscopically, and their galls strongly overlap. Abnormally hairy gals of leaf buds and petioles probably invariably are caused by J. veronicae, smooth ones (mostly?) by D. similis. Both species may also occur in galled flowers, and can only tentatively be identified by association with vegetative galls.

references

Buhr (1965a), Dauphin & Aniotsbehere (1997a), Gagné (2010a), Houard (1909a), Kieffer (1891a), Löw (1888a), Redfern & Shirley (2011a), Roskam (2009a, 2019a), Roskam & Carbonnelle (2015a), Simova-Tošić (2008a), Skuhravá & Skuhravý (1994a, 2003a, 2010a), Skuhravá, Skuhravý, Dauphin & Coutin (2005a), Skuhravá, Skuhravý & Jørgensen (2006a), Skuhravá, Skuhravý & Meyer (2014a), Skuhravá, Skuhravý & Neacsu (1972a), Skuhravá, Skuhravý, Skrzypczyńska & Szadziewski (2008a), Tomasi (2014a).

mod 3.ix.2019