Plant Parasites of Europe

leafminers, galls and fungi

Semudobia tarda

Semudobia tarda Roskam, 1977

on Betula

Semdudobia tarda

Betula pendula, Amsterdamse Waterleidingduinen: galled fruit

Semdubodia tarda in situ

Betula pubescens, Amstelveen, JP Thijsepark: three galled fruitlets in a catkin


One larva in a galled fruit. The “wings” are strongly reduced; the gall is almost hairless and has an inconspicuous window.

host plants

Betulaceae, monophagous

Betula pendula, pubescens.

Preference for B.pendula (Roskam & van Uffelen).


Oligotrophus tarda, tardus.

parasitoids, predators

Aprostocetus constrictus.


Bellmann (2012a), Burton, Carbonnelle, Ellis & Schneider (2019a), Dauphin & Aniotsbehere (1997a), Koops (2013a), Lambinon, Carbonnelle & Claerebout (2015a), Redfern & Shirley (2011a), Roskam (1977a, 1979a, 2009a), Roskam & Carbonnelle (2015a), Roskam & van Uffelen (1981a), Sakaltaş Ariyak & Tüzün (2014a), Simova-Tošić, Skuhravá & Skuhravý (1996a, 2000a, 2004a, 2007a, 2021a: 53), Simova-Tošić, Skuhravá, Skuhravý & Postolovski (2007a), Skuhravá, Skuhravý & Carbonnelle (2017a), Skuhravá, Skuhravý & Meyer (2014a).

Last modified 26.v.2022