Ábrahám Levente (szerk.): Válogatott tanulmányok X. - Natura Somogyiensis 25. (Kaposvár, 2014)
Papp J.: Microchelonus deplanus sp. n. from Canada and checklists of the Nearctic and Palaearctic species of the genus Microchelonus Szépligeti, 1908 (Hymenoptera, Braconidae: Cheloninae)
116 Natura Somogyiensis Microchelonus species are registered in the Holarctic Region of which 113 are nearctic and 488 are palaearctic species. As a result of the future exploration these numbers will, presumably, increase significanly, first of all in the Nearctic Region. Description of the new species The following abbreviations are applied in the description after van Achterberg (1993: 5 Figs H-K): Ocelli - OOL = shortest distance between hind ocellus and eye, POL = shortest distance between hind two ocelli. Fore wing - r = transverse or first section of the radial vein, 1-R1 = first section of the metacarpal vein, 2-SR = first transverse cubital vein, 3-SR = second section of the radial vein. Surface sculpture is used after Harris (1979). Structure terminology is used after Gauld & Bolton (1988: 58-74). Microchelonus deplanus sp. n. (Figs 1-10) Material examined: Male holotype: Canada, Ontario, Mer Bleu, 12 July 1982, leg. L. Huggert. - Holotype is deposited in the Zoological Institute and Museum, Lund, Sweden. Holotype is in good condition: (1) glued on card point by its mesostemum; (2) wings and legs nicely set apart symmetrically. Etymology. The species name ’’deplanus” refers to the strongly dorso-ventrally flattened carapace (cf. Fig. 8). Description of the male holotype: Body 4 mm long. Antenna one-fourth shorter than body (3 mm long), with 22 antennomeres. First flagellomere 3.5 times and penultimate flagellomere 1.6 times as long as broad, flagellum indistinctly attenuating. - Head in dorsal view cubic (Fig. 1), 1.5 times as broad as long, temple clearly swollen and 1.5 times longer than eye; occiput excavated. Ocelli small, OOL one-fourth longer than POL. Eye in lateral view twice as high as wide, temple nearly twice, 1.8 times as wide as eye (Fig. 2). Malar space slightly longer than basal width of mandible. Clypeus 1.5 times as wide below as high medially, its lower margin medially truncate (Fig. 3, see arrow). Clypeus laterally with confluent punctation and subshiny, medially with rather disperse punctation and shiny; head rugulo-subrugose, dull. Mesosoma in lateral view 1.7 times as long as high. Notaulix and precoxal suture missing. Pronotum less densely rugulose and subshiny, otherwise mesosoma rugulo- subrugose, dull. Propodeal transverse carina with four distinct tubercules (Fig. 4). Hind femur 3.1 times as long as broad medially (Fig. 5). Inner spur of hind tibia shorter than half basitarsus, hind basitarsus as long as tarsomeres 2-A combined. Fore wing relatively short, 0.7 times as long as body (55 : 80), Pterostigma three times as long as wide and issuing r clearly distally from its middle; 1-R1 0.6 times as long as pterostigma, r bent, 3-SR 1.6 times longer than r, 2-SR almost straight and 2.7 times longer than 3-SR (Fig. 6). Carapace in dorsal view 2.6 times as long as broad behind, feebly broadening posteriorly (Fig. 7). Carapace in lateral view strongly flattened dorso-ventrally, 5.7 times as long as high posteriorly (Fig. 8). Carapace apico-ventrally somewhat incurved (Fig. 9). Apical foramen of carapace narrow, 3.7 times as wide as high medially (Fig. 10). Carapace rugo-rugulose, apically densely rugulose (Fig. 7). Ground colour of body black. Scape and pedicel rusty brown, flagellum black, ven- trally with faint brownish tint. Palpi brown to light brown. Pronotum and carapace
