Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 79. (Budapest 1987)

Altenhofer, E. ; Zombori, L.: The species of Heterarthrus Stephens, 1835 feeding on maple (Hymenoptera, Tenthredinidae)

Thorax shining black with the following parts whitish : both lateral and hind margins of pronotum, entire tegula. Cenchri dirty white. The acrotegite of mesonotum clearly separated by a wide, transverse groove. Anterior lobes of mesoscutum definitely coriaceous, lateral lobes highly polished. Mesoscutellum smooth with some scattered hairs only. Mesothoracic postscutellum polished as is metascutellum. Mesopleuron covered v/ith short, densely set hairs, msosternum polished. Legs on the anterior side whitish, posteriorly brownish black. Coxae of first two pairs of lags marked by a whitish spot on the anterior side. Trochanters partly yellow, apex of all femora more or less marked with white. Wings uniformly light brownish infuscate, veins dark brown, apex of costal vein and pterostigma light brown. Second anal cross-vein straight and adjoins first discoidal cell somewhat behind the middle. Abdomen black and shining. Some of the down-turning portions of the tergal plates with very narrow dirty white line at the hind margin. Tergal plates with dense transverse striation. Hypopygium depicted in Fig. 3. Sawsheath in lateral view angulate at its apical quarter, in dorsal view bilateral bristles straight clearly pointing backwards; apex of sheath narrow, pointed. A portion of the saw, showing the construction of the teeth, as in Fig. 8. Length : 3-4 mm. — Alar expanse : 9-11 mm. i Fig. 13. The mine of Heterarthrus leucomelus (KLUG) larva in the leaf of Acer campestre. — Fig. 14. The mine of H. aceris (KALTENBACH) larva in the leaf of A. pseudoplatanus