LEPIDOPTERA, SPHINGIDAE. 



II 



projections. Hind-wings rosy, partly whitish, towards dorsum white; basal area black; a subterminal fascia 

 black. Wings below grey, with principal markings of above. Expanse, 67-83mm. Head and thorax olive- 

 green, bordered with white; abdomen banded with black and white on 1 and 2 segments, and with white on 

 other segments; a dorsal belt olive-green, spotted with white on each segments. Length, 30-35mm. 



Larva. — Black or olive-brown, sometimes yellow dotted; a subdorsal series of yellow black-edged spots 

 on 2-11 segments; horn red. 



Papa. — Yellowish dark-brown. 



Time of appearance. — Imago: August, September. Larva: August, September. 



Food-plant. — Galium verum. 



Distribution. — Yezo, Honsiu (Mount. Ibuki.) 



Pergesa elpenor Linn. var. Lewisi Butler. 



Japanese name: Beni-suzume. (Plate III. fig. 2, A-c.) 



Imago. — Olive- green; costa rosy; base black; triangularly median band purplish-rosy; a white discal dot; 

 a purplish-rosy streak from beyond middle of dorsum to costa before apex; a broad terminal fascia purplish 

 rosy. Hind- wings rosy, posteriorly purplish, basal half black; cilia white. Wings below rosy; costa olive 

 green; two olive-green fasciae. Expanse, 64-72mm. Head and thorax olive-green, with rosy stripes; 

 abdomen rosy, with two olive-green longitudinal bands; a black spot on each side of base, rarely black 

 banded. Length, 28- 33mm. 



Larva, first form.— Brown, , finely streaked with darker; on 1-3 segments a pale subdorsal stripe; on 

 4 and 5 segments lateral blackish blotches, enclosing reniform pale-yellow spot; on 4-11 segments a series of 

 dark oblique lateral stripes; horn short, black, tip white. 



Second form. — Green, deeper freckled; dorsal line with a series of black blotches; on 3-10 segments a 

 subdorsal series of black blotches; dark oblique lateral stripes; horn blackish -brown, tip pale yellow. 



Pupa. — Dark-brown, black sprinkled. 



Time of appearance. — Imago: June — August. Larva: June— October. 



Food-plants. — Galium verum, Impatiens Balsamina, Lythrum Salicaria, Oenothera odorata, O. biennis. 



Distribution. — Yezo, Honsiu, Shikoku. Kiusiu. Formosa. 



Pergesa askoldensis Oberthiir. 



Japanese name: Hime-suzume. (Plate III, fig. 8.) 



Imago. — Fore- wings brown, with marginal greyish, base whitish; two basal lines dark- brown; darkish- 

 brown fascia and curved line from dorsum to costa; a darkish-brown hook- shape blotch near apex, followed 

 by whitish curved line. Hind-wings brown, posteriorly greyish, base dark-grey. Wings below yellowish- 

 brown, with whitish towards costa, posteriorly pale-reddish; two curved lines reddish-brown. Expanse, 54- 

 58mm. Head and thorax dark-grey, mixed with reddish-brown, bordered with grey; abdomen yellowish- 

 brown. 



