640 AGAEISTTD^. 



bristles ; dark at emergence, then becoming pale amber ; the 10th 

 somite dilated. 



2nd stage. Head black and glossy with some pale marks ; the 

 body amber-coloured, with pointed tubercles with pale bristles. The 

 larva loops in walking during first two stages. 



3rd stage. Head with white bell-shaped spot and two short bands 

 on each side, and one above mouth ; body with dorsal white band 

 with dark bands below it, then a white band, and again a dark 

 stripe. 



4th stage. Head bilobed, with the white bands joining on vertex. 



5th stage. 1st thoracic somite white, with eight round black dots 

 near the neck and a narrow black band behind becoming yellow 

 above ; the white lateral bands of body broader, with black dots in 

 front of the upper series of tubercles ; the 3rd somite with buff- 

 coloured spots on the tw^o upper dark bands ; the abdominal somites 

 with conjoined triangular ventral markings. 



6th stage. Body with irregular ovate, reniform, and heart-shaped 

 markings on and between each segment instead of the dark stripes, 

 also three wedge-shaped markings on a vinous ground-colour, two 

 series on each side of the white dorsal stripe ; a black band in suture 

 before 3rd somite, and one above anal claspers, which are amber- 

 coloured, with a black line on outer rims of joints, the abdominal 

 legs similarly marked ; the posterior somites thickly marked with 

 buff and white, and instead of a dark band above the legs there are 

 three dots on each segment, some above the legs being single and 

 others conjoined and heart-shaped ; the predominating colour 

 becoming white towards maturity. 



Food-plant, Clarhea elegans &c., the egg being laid on the flower- 

 buds, inside which the young larva feeds. 



Pupa reddish brown ; the abdomen with seven round raised glossy 

 white spots, the remaining surface finely granulated. 



186. Alypia ridingsi. 



Alypia ridingsi, Grote, Proc. Ent. Soc. Phil. iii. p. 521, pi. 5. f. 1 (1864) ; 

 Stretch, Zyg. & Bomb. N. Am. p. 11, pi. 1. f. 3 (1872) ; Kirby, Cat. 

 Het. p. 34. 



Black ; tegulae with small yellow spots ; mid tibiae orange. Fore 

 wing Avith triangular yellow antemedial spot extending from sub- 

 costal nervure to submedian fold ; a spot in upper end of cell ; a 

 curved band beyond the cell between veins 7 and 2, intersected by 

 the black veins ; cilia sometimes white at apex. Hind wing with 

 yellow spot in end of cell, and a patch beyond the cell between 

 veins 7 and 2 crossed by the black veins. 



Hah. U.S.A., Rocky Mts., California, Sierra Nevada, Grote Coll., 

 2 c?, 1 $, Bouge B, (Walsingham), 4 c?, 4 $. Exp., S 32, 

 $ 34 millim. 



