Carpomya schineri (Loew, 1856)
on Rosa
Rosa, Hungary, Mosonmagyaróvár © László Érsek
different degrees of infection
tunnels in the wall of the hip
larva in its tunnel
the larvae do not penetrate into the interior of the hip
larva
mandibles
Rosa spec., Hongarije, Gödöllő © László Érse: emerging larva
the larva stand motionless erect.
gall
the larvae tunnel in fleshy wall of the hips (the “hypanthium”).
hostplants
Rosaceae, monophagous
Rosa beggerana, canina, x damascena, gallica, kokanica, pulverulenta, rubiginosa, rugosa, spinosissima, villosa
notes
The larvae of Rhagoletis alternata have an identical habit. About the difference between the two László cites from Jermy & Balázs:
R. alternata: rare in Hungary, The adult larva is yellowish white, 5.5-6.0 mm long, 2 mm wide.
Carpomya schineri: common, the adult larva 8-10 mm long, bone-white
references
Balduf (1959a), Baugnée (2006a), Jermy T & Balázs K (eds), 1988-1996. A növényvédelmi állattan kézikönyve [Handbook of agricultural zoology]. 1-6. Akadémiai Kiadó, Budapest, Korneyev, Mishustin & Korneyev (2017a), Smit (2010a).