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

Sehirus parens M. & R. 8—9 mm. From Hungary only, rare. 8. Canthophorus M. & R. (Sehirus Am. Serv.) Black, violet or blue metallic colors, light pattern, smaller or larger spots. Clypeus generally longer than cheeks ; 6—8 mm. 1. Well visible light pattern on pronotum and corium 3 — No pattern on corium and pronotum ; 2 2. Small white spot in middle of corium, never blue or violaceous . C. biguttatus L. a. No white spot on corium or bluish shine . C. b. v. concolor Nick. — Corium unspotted; metallic bluish or violaceous, membrane whitish, connexivum with white spots C. dubius Scop. a. Membrane black, shiny metallic blue-green Cd. v. melanopterus H.-Sch. b. Membrane white with black shine .... C. d. v. impressus Horv. 3. Light pattern on pronotum and corium reaching to posterior angles, those on corium also big, with bluish shine .. C. sexmaculatus Ramb. — Light pronotal spots reaching to middle of sides, round .7., C. bicolor L. Canthophorus biguttatus L. Black, fifth segment of antenna elongated, fusiform. External edge of connexivum, at leats on last segment, with pale yellow streak. Membrane brown or black, 6—8 mm. — In sandy ground and salty areas, from field flowers, especially Sarothamnus, Calluna, Erica, and Thymus (33, p. 10). Mostly in singles, from June to August. Known in our area, unpublished still from Rumania and the Balcans. Not frequent ; from plains to mountains (even 1800 meters, 28, p. 48). Canthophorus biguttatus v. concolor Nick. Uniform black, fifth segment of antenna swollen fusiform. Membrane, excepting external margin, uniform brown or black. 6—7 mm. Found together with nominate form ; rare. Known from some localities only in plains and mountains. Canthophorus dubius Scop. Dark blue, rarely black. Pronotal transverse depression broad but inconspicuous. Ostiolar depression narrow, archly elongated. 6—8 mm. — Larvae bluish-black, abdomen yellowish-red with three bluish-black transverse streaks, margins with bluish-black tessellation. According to literature it lives from July to autumn in dry pastures, on lime soil, under leaves and grasses but also on bushes and trees. Prefers Thesium, Heiichrysum, Artemisia campestris, Salvia, and Echium. Hibernating (8, p. 341). Rare in Hungary and the neighbouring areas. In plain, hilly, and mountainous regions, up to 1100 meters (28, p. 48). Canthophorus dubius v. melanopterus H.-Sch. Pronotal transversal depression barely visible. Ostiolar depression broad, archely elongated, 6—8 mm. — Generally under stones in spring, otherwise with nominate form but in greater numbers and more frequently. From April to July, rather rare. On plains and hills. Canthophorus dubius v. impressus Ho'rv. Blackish, head and anterior pronotum bluish. Transversal depression well visible. Literature data : from May to end of September. Mainly in mountains, but also in plains ; rare.