Genus Dendrosotinus Telenga, 1941

Type species

Dendrosoter ferrugineus Marshall, 1888, by original designation.

Remarks

This genus consists of two subgenera, Dendrosotinus s. str. and Gildoria Hedqvist, 1974 . The subgenus Gildoria is here recorded from the Arabian Peninsula for the first time.

Distribution

Afrotropical, Oceanic, Oriental and Palaearctic regions.

Key to species of the genus Dendrosotinus from Arabia Peninsula

1. Third antennal segment (especially of female) weakly widened, more or less depressed and anteriorly sculptured (Fig. 1C, E). Parallel vein (m-cu) of fore wing subinterstial; brachial (subdiscal) cell moderately wide (Fig. 2A). (Subgenus Dendrosotinus s. str.) ............................................................ .................................................................................................. D. (D.) ferrugineus (Marshall, 1888)

– Third antennal segment slender, cylindrical and anteriorly smooth (Figs 3C, 5B). Parallel vein (mcu) of fore wing distinctly postfurcal; brachial (subdiscal) cell narrow (Figs 4A, 6A–B), (Subgenus Gildoria Hedqvist, 1974) .................................................................................................................. 2

2. Transverse diameter of eye (dorsal view) 1.9–2.3 times longer than temple (Fig. 3E). Malar space 0.4 times maximum diameter of eye (Fig. 3B). Length of first tergite 1.1–1.2 times its maximum posterior width (Figs 3I, 4B). Second tergite without sublateral depression (Figs 3I, 4B). Ovipositor sheath 0.5–0.6 times as long as metasoma, 0.4–0.5 times as long as fore wing (Fig. 3A). Body mainly light reddish brown or reddish brown, darkened dorsally (Fig. 3A) ...................................... ...................................................................................... D. (G.) maculipennis Belokobylskij sp. nov.

– Transverse diameter of eye (dorsal view) 1.2–1.4 times longer than temple (Fig. 5C). Malar space 0.55–0.60 times maximum diameter of eye (Fig. 5B). Length of first tergite 1.3–1.4 times its maximum posterior width (Figs 5F, 6B). Second tergite with very shallow, subparallel, sublateral and almost straight narrow depression in anterior half (Fig. 6B). Ovipositor sheath 0.9–1.0 times as long as metasoma, 0.70–0.75 times as long as fore wing (Fig. 5A). Body mainly brownish yellow to yellow partly (Fig. 5A) ................................................ D. (G.) subelongatus Belokobylskij sp. nov.