. Diptera Americae septentrionalis indigena [microform]. Diptera; Insects; Diptères; Insectes. Americue septenlrioualis. m nigro-fusci. Alae hyalinac, venis uigro-ftiscis, ioDgitudinalis quartae ramulo anteriore valde arcualo, posteriore brevissimo, vena trans- versa posteriore aidu margiui vaide approximata. — (Peuiisylvauia; Osten-Sackcn.) m:^ .V 81. Plaiypextt paltipes nov. sp. $. Cinerea, abdomine ni- gro-fasciato^ antennis pedibusqtie dilute lutescentibus. — Long. corp. 2yj lin., Long. ai. 2^ lin. Dilute cinerea, opaca. Caput concolor, fronle fere tola ex fusco cinerea; antcnnae, probosci
. Diptera Americae septentrionalis indigena [microform]. Diptera; Insects; Diptères; Insectes. Americue septenlrioualis. m nigro-fusci. Alae hyalinac, venis uigro-ftiscis, ioDgitudinalis quartae ramulo anteriore valde arcualo, posteriore brevissimo, vena trans- versa posteriore aidu margiui vaide approximata. — (Peuiisylvauia; Osten-Sackcn.) m:^ .V 81. Plaiypextt paltipes nov. sp. $. Cinerea, abdomine ni- gro-fasciato^ antennis pedibusqtie dilute lutescentibus. — Long. corp. 2yj lin., Long. ai. 2^ lin. Dilute cinerea, opaca. Caput concolor, fronle fere tola ex fusco cinerea; antcnnae, proboscis el palpi dilute lutescentes. Caili hu- merales pleurarumquc niaculae lutescentes; dorsi vitlae fuscae qua- tuor; mediae approximatac, adversus marginem anticum dorsi obso- iescentes, postice valde abbreviatae; laterales breves, antice admo- dum, postice modice abbreviatae. Lalera segmenti abdominalis primi lutescentia; reliquum abdomen. cinereum, fasciis posticis segmento- rum singuiorum atris et macula minuta alra in margine antico se- gmenti secundi, cum fascia aira cobaerente. Coxae et pedes dilute lutescentes, femoribus posticis prope apicem superne, tarsis posticis practer basim subinfuscatis. Halteres lutescentes. Alae majusculae, cinereo-hyalinae, venis fuscis, longitudinalis quartae ramulo ante- riore satis arcuato, posteriore longiusculo, vena transversS postcriorc margini alae modice approximata. — (Distr. Columbia; Oslen- Sacken.) i, Nota. Platypeza pallipes valde similis esl Platypezae consobri- nae Zett., sed difTert aiis limpidioribus et vena transversa po- steriore magis perpcndicuiari alaeque margini minus approxi- mata. 82. Platycnema imperfecta nov. sp. cT et 9. J\igra^ pe- dibus simplicibus, alarum vend transversd anteriore nuUd. — Long. corp. f lin., Long. al. f—| lin. Caput nigrum, antennis concoloribus, palpis latiusculis exalbi- dis vel dilutissime flavicantibus. Thorax cum scutello niger. Ab- domen nigro-fuscum, marginibus posticis tcnnissim
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectinsects, bookyear1861
