NO. mco. syyopsis OF XEOTRoriCAL UM\oiiix,E—ALii}XAynf:R. 495 



LECTERIA CONSPERSA Enderlein. 

 Dactylolabii conspersa Enderlein, Zool. Jahrb., pt. 1, 1912, pp. 49, 50. 

 I liavo scon a single specimen, taken at Rio de Janeiro in Xovem- 

 bor. (Probably hj IL II. Smith.) It forms part of the WiUiston 

 ci>Iloc-tion in the American Museum of Natural Ilistor}' in Xew York. 

 The wing seems to be of a different shape from that shown in 

 End(>rlein's figure, almost Drepanopkryx or Osmylus-likv (Hemero- 

 biidae, Ncuroptera). 



LECTERIA OBSCURA Fabrtdus. 



Tipulii obscura Fabricius, Syet. AntL, 1805, p. 27. 



Limnobia obsntra Wiedemann, Dipt. Exot, vol. 1, 1821, p. 12; Aa's. 2weifl. Ins., 



vol. 1, 1828, p. 24.— Hunter, Trans. Amer. Ent. See., vol.26, 1900, p. 289.— 



Kertesz, Cat. Dipt., vol. 2, 1902, p. 175. 

 Psaronius liluratus Enderlein, Zool. Jahrb., 1912, pp. 50, 51, fig. E,. 



Female. — Length, 23.4 mm.; wing, 15.8 mm.; abdomen, 1S.6 mm.; 

 legs, fore, femora 8.8 mm.; tibia 10 nmi.; tarsus 1, 5.5 mm.; tarsus 

 2-5, 3.6 mm.; middle, femora 10.1 mm.; tibia 10.1 mm.; tarsus 1, 4.8 

 mm.; tarsus 2-5, 3.2 mm.; hind, femora 11.2 mm.; tibia 11.4 nun.; 

 tarsus 1, 3.6 mm.; tarsus 2-5, 3.2 mm. 



Head: rostrum and palpi dark brown; palpal segments short; 

 dj-peus yellowish-brown, with two long hairs on either side. Antrn- 

 na^: first segment much elongated, cylindrical, longer than the fol- 

 lowing three combined; second segment short, rounded-oval, trun- 

 cated at its apical end; segments of the flageUum gradually more 

 slender and more elongated, clothed with dense, appressed downy 

 hairs and with long hairs which are shortest on the proximal seg- 

 ments; antenna} yellowish- brown ; flagellum darker, brown. Front 

 brown; vertex yeUowish-brown, rather darker in places; a patch of 

 long hairs on cither side of the eye. 



Thorax: pronotum brown; mesonotum: pra^scutum, with a broad 

 deep pscudosutural fovea on its antero-lateral margin; the caudiJ 

 margin of the fovea gentle, cephalic margin precipitous, dark broAvn, 

 conspicuous; prsescutum light brownish-yellow with indistinct brown 

 stripes; two parallel ones on either side of the pale nan-ow median 

 stripe, becommg indistinct near the transverse suture; the shorter, 

 but broader, lateral stripes begin just behind the fovea and run 

 backward across the suture; scutum, scutellum, and postnotuni duU 

 yellowish-brown, the color of the scutum near the center brought 

 about by the spreading out of the lateral prjescutal stripes. Pleurae 

 dull yellow, a darker spot on the mesothoracic epipleura. Halteres, 

 stem yellow, gradually darkening to the brown knob. Legs: light 

 yellow; femora dark br()^vn at the tip; tibia brown at the extreme 

 base and tip; tarsal segments dull yellow, darker at the tip of each 

 segment; segments four and five brown. 



