Iteomyia major (Kieffer, 1889)

on Salix

Iteomyia major: galls on Salix aurita

Salix aurita, Roggebotzand © Hans Jonkman: upperside

Iteomyia major: galls on Salix aurita

underside

Iteomyia major gall

Salix cinerea, Kekerdom

Iteomyia major: young galls on Salix cinerea

Salix cinerea, Mierlo, Wolfsven; foto Arnold Grosscurt: young galls

Iteomyia major: young galls on Salix cinerea

same leaf, underside

Iteomyia major: gall on Salix caprea

Salix caprea, Roggebotzand © Hans Jonkman (and the much smaller gall of I. capreae)

Iteomyia major: gall on Salix caprea

underside

Iteomyia major gall

Salix cinerea, Amsterdamse Waterleidingduinen: gall, upperside

Iteomyia major gall

onderzijde

Iteomyia major gall

transverse section

Iteomya major: galls on Salix cinerea

Salix cinerea, Hungary, Mosonmagyaróvár, 20.v.2018 © László Érsek: in the case the opening of the gall is in the upper side

Iteomya major: galls on Salix cinerea

same four galls, underside

Iteomya major: galls on Salix cinerea

this section through two galls shows the beginning of the channel between the gall chamber and the opening in the wall of the gall.

gall

Thick-walled, hard unilocular swelling of the midrib or a thick side vein; generally several together, fused into a knobby complex. Each gall chamber is connected to the outside world by a small opening, mostly in the underside. Larva orange-red; a single generation per year; hibernation in the soil.

hostplants

Salicaceae, monophagous

Salix aurita, bicolor, x calodendron, caprea, cinerea, cinerea subsp. oleifolia, elaeagnos, glauca, lanata, myrsinifolia, pentandra, phylicifolia, purpurea, silesiaca.

Strong preference for the broad-leaved sallows.

synonyms

Oligotrophus capreae var. major.

references

Barnes (1951a), Béguinot (2001c, 2002e,g, 2006a,c, 2007b, 2012a), Bellmann (2012a), Bruun (2015a), Buhr (1965a), Chinery (2011a), Cogolludo (1921a), Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Deckert & Deckert (2016a), Gagné (2010a), Groom (2011a), Houard (1908a), Koops (2013a), Lambinon, Carbonnelle & Claerebout (2015a), Lambinon, Schneider & Feitz (2001b), Lehmann & Flügel (2012a), Lehmann & Hannover (2016a), O’Connor & Wistow (1999a), Redfern & Shirley (2011a), Roskam (2009a), Roskam & Carbonnelle (2015a), Skuhravá & Skuhravý (2007a, 2010a,b, 2012a), Skuhravá, Skuhravý, Blasco-Zumeta & Pujade-Villar (2006a), Skuhravá, Skuhravý & Carbonnelle (2017a), Skuhravá, Skuhravý, Dauphin & Coutin (2005a), Skuhravá, Skuhravý & Jørgensen (2006a), Skuhravá, Skuhravý & Meyer (2014a), Skuhravá, Skuhravý, Skrzypczyńska & Szadziewski (2008a).

mod 8.viii.2018