. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. CLASSIFICATION OF INSECTS 325 tibial spurs wanting, at most middle tibiae with a slight spur; proboscis short 39 Prefurca longer, Rs arises distinctly before base of discal cell (Fig. 526); at least middle tibiae with distinct spurs; costa con- tinuing around hind margin of wing as the ambient vein 41 39. Second vein (R2 + 3) arising at or beyond anterior crossvein (r-m), discal cell small, usually pentagonal and located closer to the costa than usual; submarginal cell or cells very small and narrow and located e
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. CLASSIFICATION OF INSECTS 325 tibial spurs wanting, at most middle tibiae with a slight spur; proboscis short 39 Prefurca longer, Rs arises distinctly before base of discal cell (Fig. 526); at least middle tibiae with distinct spurs; costa con- tinuing around hind margin of wing as the ambient vein 41 39. Second vein (R2 + 3) arising at or beyond anterior crossvein (r-m), discal cell small, usually pentagonal and located closer to the costa than usual; submarginal cell or cells very small and narrow and located entirely before wing-tip, anterior veins usually crowded near costa, the other veins faint; four or five posterior cells present, all open; costa ending before wing-tip, no vein on hind margin of wing; scutellum often armed with marginal spines. Soldier flies. A large, widespread family with many tropical genera STRATIOMYIIDAE. Figs. 519, 520. Stratiomyiidae 519. Eulalia, male (Cole) Stratiomyiidae. 520. Geosargus, male (Verrall) Stratiomyiidae. a. Abdomen with seven visible segments; middle tibiae sometimes spurred; third antennal joint normally with eight annulations and without a style b Abdomen with five or six visible segments; tibiae not spurred; third antennal joint with not more than six annulations d b. Scutellum with four or more spines c Scutellum not spined, rarely with marginal row of small teeth. (Metoponia, Austr.; Allognosta, Holarc; Berismyia, Hylorus, Neotrop.) METOPONIINjE c. Media three-branched; palpi often reduced. (Beris, Hoplacantha, widespr.; Beridops, Heteracanthia, Neotrop.; Eumecacis, Austr.) BERIDINjE Media four-branched; palpi three-jointed. (Actina, widespr.; Apospasma, Huttonella, Neoexaireta, mostly Austr.) ACTINiNjE d. Media three-branched (Fig. 523), discal cell emitting two veins from its apex in addition to the vein forming its under side . . e. Please note that these images are extracted from scanned page images that may have been digit
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Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology
