Euura oblita (Serville 1823)
- Dataset
- North European gall-inducing Euura sawflies (Hymenoptera, Tenthredinidae, Nematinae)
- Rank
- SPECIES
Classification
- kingdom
- Animalia
- phylum
- Arthropoda
- class
- Insecta
- order
- Hymenoptera
- family
- Tenthredinidae
- genus
- Euura
- species
- Euura oblita
diagnosis
Diagnosis. Adult. In lateral view right mandible gradually tapering, left one with swollen base and thin, blade-like apex. Vein 2 r-m normally present in both fore wings. Supraclypeal area densely setose, or at least with numerous setae laterally and on upper third. Antenna moderately long to very long: ♀ as long as costa of fore wing, to as long as combined length of costa and pterostigma; ♂ longer than costa of fore wing, to as long as length of fore wing. Valvula 3 in dorsal view subtriangular; in lateral view emarginate at least on ventral margin. Metatarsomere 4 dorsally shorter than its apical width. Cercus short to moderately long. Lancet: lamnium curved, tapering gradually from base to apex. Medial annular sutures nearly straight. Penis valve ventrally without small spines; base of valvispina ventrally clearly divided from lobe on which it arises by an incision or at least a right-angled turn. Larva. Third abdominal segment with 4 dorsal annulets; 1 – 3 with setae. Suranal plate with widely separated pseudocerci. Gall. Rolled leaves, sometimes spirally twisted, or folded leaf-margins; without swelling at oviposition site. Phenology. Uni- or bivoltine.