BRACHIONYCHA. LATHOSEA. 205 



whitish ; the underside with the costa suffused with black except 

 towards apex, a black streak in cell. 



Hob. Canada, Manitoba; U.S.A., Pennsylvania, Luzerne Co., 

 1 c? • Exp. 54 millim. 



Genus LATHOSEA. „ 



Type. 



Lathosea, Grote, Bull. Geol. Geog. Surv. Terr. vi. p. 270 (1881) pulla. 



Proboscis fully developed ; palpi obliquely porrect to just beyond frons and 

 fringed with long hair below ; frons smooth, rounded ; antennaB of male 

 bipectinate with short branches serrate at base and extremity ; head and 

 thorax clothed with long hair only and without crests ; tibiEe fringed with long 

 hair ; abdomen with dorsal crests ou basal segments, fringed with long hair at 

 sides. Fore wing moderately broad, the termen obliquely curved, veins 3 and 6 

 from near angle of cell ; 6 from upper angle ; 9 from 10 anastomosing with 8 

 to form the areole ; 11 from cell. Hind wing with veins 3, 4 from angle of 

 cell ; 5 obsolescent from middle of discocellulars ; 6, 7 from upper angle ; 

 8 anastomosing with the cell near base only. 



2345. Lathosea pulla. 



Lathosea pulla, Grote, Bull. Geol. Geog. Surv. Terr. vi. p. 270 (1881). 

 Lathosea jndlata, Grote, Eevised List Noct. p. 14 (1890) ; Smith, Oat. 

 Noct. N. Am. p. 163. 



(S . Head and thorax clothed with fuscous and grey hair ; 

 abdomen dorsally black with some grey hair, greyer at sides and 

 on ventral surface. Fore wing fuscous brown thickly irrorated 

 with white, the veins streaked with black ; a fine black streak 

 below base of cell defined by white above and below ; subbasal line 

 represented by an oblique striga from costa ; antemedial line very 

 strongly angled outwards in the interspaces and inwards on the^ 



, ^ , Fig. 59. — Lathosea pulla, cJ. y- 



veins ; claviform represented by a small dark mark with a whitish 

 streak below it in submedian fold between the antemedial and 

 subterminal lines ; orbicular obsolete ; claviform very indistinctly 

 defined, narrow and strongly angled inwards on median nervure ; 

 postmedial line defined by whitish on outer side, strongly bent 

 outwards below costa, then waved, oblique below vein 4 and angled 

 outwards on vein 1 ; traces of an irregular white subterminal 

 line, almost obsolete on costal half, angled inwards to postmedial 

 line in submedian fold and with short oblique streak beyond it 

 below vein 2 ; cilia dark intersected with white at base, mostly 



