The species of Astymachus Howard (Hymenoptera: Encyrtidae) ı potentially important parasitoids of Aclerdidae (Hemiptera: Coccoidea) associated with grasses (Poaceae) ı with descriptions of three new species Author Noyes, John S. Author Higashiura, Yoshimitsu text Journal of Natural History 2020 2020-09-23 54 9 665 679 journal article 9505 10.1080/00222933.2020.1747654 2e0de6ff-c2b8-4115-a034-70f80e8f254d 1464-5262 4290415 324E4AF7-3032-4573-98AC-CABAE316F33E 1. Astymachus eximius Hayat Astymachus eximius Hayat in Hayat and Veenakumari 2015: 260 263 . Holotype , India , NCPM , not examined. Diagnosis. Female . Length, including ovipositor, 1.27 mm . Body generally yellow, frontovertex with two pale brown stripes, occiput and malar space pale brown; antenna pale yellow to dusky yellow, clava brown; thorax yellow with a pair of faint brown stripes dorsally; fore wing infuscate; TI TV of gaster each with a narrow, pale brown cross band; head about 2× as long as eye; palp formula 3 2; antenna with F1 F5 anneliform; linear sensilla only on F6; clava 2-segmented; scutellum with about 13 setae; wings shortened, fore wing reaching less than halfway along gaster, well short of cercal plates; ovipositor about 3× mid tibia and 2.2× gonostylus. Male . Unknown. Biology. Unknown. Distribution. India ( Karnataka ). Material examined. None. Comments. Astymachus eximius is the only known species of Astymachus where the females are clearly brachypterous.