LIBYTHEA. 63 



FAM. VI. LIBYTHEIDAE. 



Larva without spines, slightly pubescent, finely shagreened. 

 Chrysalis short, a little angular. Perfect insect; palpi very 

 long, contiguous, in the form of a beak, parallel to the axis 

 of the body. Wings angular, rather robust; discoidal cellule 

 of the secondaries open. 



LIBYTHEA Fab. 



Inferior palpi in the form of a rostrum or beak. Primaries 

 angular. Antennae short, stiff, fusiform. 



1. L. motya Boisd. Figured in Boisd. et Leo. pi. 64. 



Wings brown ; middle of primaries fulvous, beginning at the 

 base ; towards the upper angle three white spots, one near the 

 costal edge, oval, the other two smaller and square. 



Secondaries with a large pale yellow space in the centre, com- 

 mencing at the base, and a whitish one on the side. 



Under side of primaries similar to the upper, excepting that the 

 fulvous part and the spots are intersected by the nerves, black. 



Under side cinereous, with a darker band extending over half 

 the wing, and a crescent streak near the outer edge. 



United States Expands nearly two inches. 



BOISD. 



2. L. bachmani Kirtland. Var? of L. motya. Figured in Silliman's 



Journ., XIII, New Series, 356. 



Body, dark brown ; upper surface of primaries brownish, with 

 three white spots placed in a triangle near the tip, the superior 

 and interior spots oblong and irregular, the exterior smallest and 

 oval, the inferior quadrangular. An ochry yellow band is situated 

 on the humerus, and a second on the posterior margin, but does 

 not reach the tip of the wing. A similar band extends across the 

 lower half of the secondaries. 



Under side of primaries similar to the upper ; that of the secon- 

 daries reticulated with brown. 



Expands one and five-eighths of an inch, while L. motya expands 

 more than two inches. 



