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
/ 4. Geotomus M. & R. Oval, black, shining. A narrow margin of body color around head and pronotum. Opening of stink gland with unshining ostiolar peritreme. Grounddwelling. 1. On external margin of corium base 2—4 points with bristles. Sternites laterally barely impunctate G. punctulatus Costa. — Only one point with bristles. Sternites laterally strongly impunctate , G. elongatus H. Sch. Geotomus punctulatus Costa Oval. Some long silky hairs on recurving edge of head. Corium barely but visibly impunctate 3,5—4,5 mm. — Prefers sandy, dry places. V i 11 i e r s (38, p. 40) mentions it also from seashores. Our scarce data have it from May —June, October. In our area not found yet in Czechoslovakia. Rare, on plains, hills. Geotomus elongatus H.-Sch. Elongated oval. Corium strongly impunctate. 4,5—5 mm. Generally in dry sandy places but also from the shores of the Tisza. March —June. According to literature, more frequent in summer, rare in spring. Under stones, among roots of Sinapis species. Infrequent, in plains and hills. 5. Cydnus F. (Brachypelta A. S.) Dorsally black to brown, slightly shining, oval. Ventrally variously brownish with strong shine but never metallic. Hairless margins of head strongly recurving. Strong transverse depression on pronotum. Scutellum- convex, terminally pointed, abruptly flattening. Membrane milky white.. Cydnus aterrimus Forst.* Transverse depression of pronotum furrowy in male, flat in female Prosternum pointed Ground color of membrane black, 9—11 mm. — In barren and sandy places, on lime soil, under stones. M a n c i n i (28, p. 48) found it in plain areas. Mainly on Euphorbia species (cyparissias and segueriana). G u 1 d e (8, p. 339) found two generations, April —June, and August—October, in masses. Also in July in our area. Incomplete data exclude possibility-to prove two generations. Widely spread, not rare, from the plains to high mountains. 6. Legnotus Schiödte Eyes protruded, as high as broad. Membrane hyaline, no veins visible, 3,5—4 mm. 1. Corium with white broad margin, clypeus shorter than cheeks, head anteriorly emarginate L. albomarginatus Gz. — Corium at the base edged narrowly with yellow to red, clypeus not or barely shorter than cheeks. Head not or barely emarginate v'..-. L. picipes Fall. a, Corium with black margin at base ... L. picipes v. fumigatus Costa * I found a specimen resembling C. aterrimus, differring only in the orange color of its corium I describe it as ab. orangeus ab. nov. Holotype female from Nagyrábé, lçg. Horváth, 8. July 1934; in the Collection of the Museum of Natural History, Budapest.
