Boros István (szerk.): A Magyar Természettudományi Múzeum évkönyve 4. (Budapest 1952)

Halászfy, É.: A synopsis of the Heteroptera of Hungary and the neighbouring areas. I. 1. Brachyplatidae; 2. Cydnidae

6. Broad mesosternum simple with deep longitudinal groove in middle, unicolored brown or black; head anteriorly round (fig. 4.) ' 9. Ochetostethus Fieb. — In mesosternal medium groove a fine crest, margin of corium with light pattern, if unicolored, of 6 mm length ; head not round anteriorly 7 7. 3,5—4,5 mm. Eyes exserted 6. Legnotas Schiödte — 6 mm or larger, eyes not so much exserted 8 8. Pronotal margin without pattern, unspotted 7. Sehirus A. & S. — Pattern or spots on pronotal margin or elsewhere 8. Canthophorus M. & R. 1. Stibaropus Dall. Last segment of periate antenna swollen. Anterior tibia gradually tapering (almost to a point). Segments of anterior tarsus commence well before external terminal part of tibia (fig. 7.). Posterior tibia terminally broadened. These superiorly obliquely cut, curving a little downwards. Stibaropus henkei Jak. Oval. Head longer than broad (Fig. 3.), according to V i d a 1 (37, p. 20) as long as broad, marginally spinose. Directly before end of clypeus 2 conspicuous spines. Posterior margin of pronotum barely three times as broad as anteriorly. Pronotum posteriorly wjth weak, scutellum strong, rugulosity. Membrane curving strongly downward. 7,5—8 mm. — Larvae easily distinguished even in first stage by characteristical legs and very convex body. Color light brown, abdomen creamy. — Very rare. Known in Europe from Bulgaria, southern Russia and from sandy areas in Hungary only. 2. Byrsinus Fieb. Whole body (especially on margins) covered by dense fine long hairs. Similarly to Stibaropus, second segment of periate antenna thinner. Byrsinus fossor M. & R. Corium conspiciously, scutellum and pronotum slightly, impunctate. End of scutellum bulging, ending semicircularly. Anterior tarsus commences at end of tibia. 4,5 mm. — Larvae pale yeílow, also very hairy, resembling adults and therefore easily recognizable. — Very rare. Known in Europe from, Bulgaria, southern Russia, southern France and from sandy areas in Hungary. 3. Aethus Dalk (Cydnus F., Microporus Uhl., Cydnus SignJ Head, margins of pronotum, corium, and femur with hairs from deep pores. In sandy areas, under grass.] 1. Hairs of'sternites long A. flavicornis F. — Sternites hairless A. nigritus F. Aethus flavicornis F. Yellowish brown to black. Head anteriorly narrow, margins recurved. Pronotum strongly impunctate, medianly smooth. Margin not light, contrary to nigritus. Sculpture of scutellum less deep. No bristles on base of external margin of corium. Numerous fine hairs ventrally.