Helorus ruficornis Forster 1856

Overview & Synopsis

Helorus ruficornis Förster, 1856Material examined. Iran, Mazandaran province, Noor, Chamestan, Tangehvaz (36º18′51.42″N, 52º07′48.00″E, 1353 m a.s.l.), 28-VI-2011, 3♂, M. Khairandish.Diagnosis. Length of body 4.1–5.1 mm; length of fore wing 3.1–3.6 mm; antenna yellowish brown; length of eye in dorsal view 1.25× as long as temple height (Fig. 4 A); mesoscutum punctate, notauli deep and finely crenulate (Fig. 4 B); propodeum reticulate; pterostigma stout, 2.4–2.6× as long as wide (Fig. 3 B); legs (except hind coxa) yellowish-brown (Fig. 4 A); first metasomal segment slender, in dorsal and lateral view 3–3.3 times as long as its maximum width (Figs 4 C, 4D); syntergite basally slender.Distribution. Andorra, Austria, Bulgaria, England, Finland, France, Germany, Italy, Netherlands, Pakistan, Spain, South Africa, Sweden, Switzerland and U.S.A. (Townes 1977; van Achterberg 2006) and Iran (new record).Biology. This species is a larval endoparasitoid of Dichochrysa ventralis (Curtis, 1834) and Pseudomallada prasinus (Burmeister, 183) (Townes 1977).