. Bulletin of the British Museum (Natural History) Entom Supp. 6i6 M. W. R. de V. GRAHAM scape obviously greater than the transverse diameter of an eye. Pronotal collar sharply margined except just at the sides. Fore wing with basal vein normally with 6 to 13 hairs, fewer in dwarfs, which have the gaster longer than head plus thorax phalaridis Graham (p. 623) Either the tip of the hypopygium is situated at nearly or quite half the length of the gaster ; or else the fourth funicular segment of the antenna is not longer than broad. Pronotal collar often less sharply margined . 9 (8) Antenna with
. Bulletin of the British Museum (Natural History) Entom Supp. 6i6 M. W. R. de V. GRAHAM scape obviously greater than the transverse diameter of an eye. Pronotal collar sharply margined except just at the sides. Fore wing with basal vein normally with 6 to 13 hairs, fewer in dwarfs, which have the gaster longer than head plus thorax phalaridis Graham (p. 623) Either the tip of the hypopygium is situated at nearly or quite half the length of the gaster ; or else the fourth funicular segment of the antenna is not longer than broad. Pronotal collar often less sharply margined . 9 (8) Antenna with fourth funicular segment 1-3 to 1-5 times as long as broad, fifth very slightly elongate or quadrate. Gaster 1-4 to 1-7 times as long as broad, at most as long as the thorax ; distance from base of eighth tergite to tip of gaster less than the length of the basal tergite. Femora usually fulvous to red, occasionally infuscate basally ; mesoscutum with close- meshed reticulation, hence rather dull ; basal vein of fore wing with four to ten hairs. Large species, length 3-0 to 4-2 mm. harmolitae Boucek (p. 622) Either the fourth funicular segment is quadrate or hardly longer than broad ; or the gaster is at least somewhat longer than the thorax, with the combined length of tergites eight and nine equal to or greater than the length of the. 509 Figs. 507-509. Chlorocytus spp., fore wings, part. pilosus Graham, $ ; 509, longicauda (Thomson), $. 507, breviscapus Graham, $ ; 508,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). London : BM(NH)
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