JOURNAL OF THE JDpto ijopfe (jnfomologiral HoriFfg. Vol. III. SEPTEMBER, 1895. No. 3. NEW GENERA AND SPECIES OF TACHINIDiE. By D. W. Coquillett, Washington, D. C. The genera referred to in the present paper may be distinguished as follows : First vein bristly ; sides of face bearing a row of macrochsetse. Apical cell open ... Chaetoplagia, gen. nov. Apical cell closed and long petiolate Metachaeta, gen. nov. First vein bare. Sides of face bearing macrochtetre or bristly hairs I. Sides of face bare 6. 1. Antenna? scarcely half as long as the face. Cheeks almost as broad as the eye-height . . . . Phyto Desv. Cheeks half as broad as the eye-height A mobia Desv. Antenna; at least three-fourths as long as the face. Eyes distinctly pilose 2. Eyes bare or microscopically sparsely pilose 3. 2. Posterior end of hind crossvein nearer the wing margin than to the small cross-vein \ Gasdiopsis B. B. Posterior end of hind crossvein twice as far from the wing margin as from the small crossvein Cyrtophleba Rond. 3. Sides of face bearing a row of macrochseta; 4. Sides of face destitute of macrochsetae, bearing only bristly hairs 5. 4. Lower end of hind crossvein almost opposite the small crossvein. Paraplagia B. B. Lower end of hind crossvein midway between the small crossvein and the wing margin Opsidia, gen. nov. 5. Last section of fifth vein nearly as long as the penultimate section. Metaplagia, gen. nov. Last section less than half as long as the penultimate section. {Gy7nnoprosopa Town.) Araba Desv. 6. Eyes distinctly pilose Nemorasa Desv. Eyes bare or microscopically sparsely pilose 7. 7. Facial ridges bristly at least on their lower two-thirds .... Degeeria Meig. Facial ridges never bristly on more than the lower third 8
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