Aradus laeviusculus, Reuter, 1875

Heiss, Ernst & Scudder, Geoffrey G. E., 2019, Aradidae (Heteroptera) new to North America and Canada, with some additional provincial and state records for Canada and the USA, Linzer biologische Beiträge 51 (2), pp. 821-829 : 822

Aradus laeviusculus REUTER, 1875 ( Figs 2, 8-11 )

M a t e r i a l e x a m i n e d: BRITISHCOLUMBIA: 1♂, Garibaldi ,onglacier, 15.ix.1961 (J.B. Foster) [ UBCZ].

This North-East-Palaearctic species is also keyed and illustrated by HEISS & PERICART (2007) and the very characteristic male genitalic structures of the Canadian specimen were compared and considered identical to those of reference specimens from Russia, thus confirming the first record in the New World. According to HEISS (2001) A. laeviusculus is distributed from Scandinavia across Russia to the Far East.

Figures

Figs 1-11. (1) Aradus depressus, female (BC); (2) Aradus laeviusculus, male (BC); (3) Aradus apicalis, female (BC); (4-7) Aradus depressus male genitalic structures; 4-5 left paramere; 6 tergite IX, 7 left parandrium; (8-11) Aradus laeviusculus, male genitalic structures; (8-9) left paramere, (10) tergite IX, (11) left parandrium. Scales: 1mm (1-3); 0.1mm (4-11).