NAWA: ICONES JAPONICORUM INSECTORUM. 



Time of appearance. — Imago: June, July. 

 Di stri bntion. — Yezo, Honsiu. 



Theretra nessus Drury. 



Japanese name: Kiiro-suzume (Plate IV, fig. 6, A-c. ) 



Imago. — Fore -wings yellowish- brown, with marginal ashy-lilac; costal area dark- green; basal area grey 

 and black; a black discaldot; five purplish- brown striae from dorsum towards apex; subterniinal waved line 

 greenish-brown. Hind-wings black, with dark -green towards termen; a broad subterniinal fascia ochreous- 

 yellow. Wings below ochreous-yellow, sprinkled with reddish-brown; from median to base bark-grey; three 

 or more dark or reddish -brown waved fasciae. Expanse, 83 -100mm. Head and thorax olive-oreen 

 suffused with ochreous-brown, with whitish-grey borber; abdomen orange-yellow; a broad dorsal stripe olive- 

 green; lateral stripes pale-green. Length, 45 -55mm. 



Larva, first form. — Whitish-green two dorsal lines white; subdorsal line white; on 4-11 segments a 

 series of white oblique lateral stripes; on 4 and 5 segments two white lateral spots; spiracles reddish-brown; 

 horn ochreous. 



Second form. —Yellowish-brown, finely steaked with dark brown; dorsal and subdorsal lines dark brown; 

 a series of black spots on lateral side; tw^o white lateral spots tinged with pale-blue; oblique lateral stripes 

 dark. 



Pupa,— Darkish- brown, with yellowish on back, 



Time of appearance. — Imago: June-September. Larva. July— October. 



Food- plants. — Dioscorea japonica, D. Tokoro. 



Distribution.— Honsiu, Shikoku, Kiusiu. 



Theretra alecto Linn. 



Japanese name: Shita-beni-suzume. (Plate IV, fig. 5.) 



Imago.— Fore- wings brown, darker towards costa and termen; near base black; a dark-brown discal dot; 

 a dark-brown fascia from middle of dorsum to apex, preceded by indistinct lines and followed by darker 

 lines. Hind-wings rosy, with yellowish-brown towards dorsum; basal area black; a terminal fascia black. 

 Wings below reddish -orange, sprinkled with dark-brown; marginal area dark-brown. Expanse, 90mm. 

 Body, dark-brown; head and thorax bordered with white; a black blotch on basal each side of abdomen. 

 Length, 45mm. 



Theretra japonica Boisd. 



Japanese name: Kc-suzume. (Plate I, fig. 3, A-c.) 



Imago.— Fore-wings pale ashy-brown, partly tinged with olive, scarcely greyish -purple; a black discal 

 dot; a greyish-yellow fascia from middle of dorsum to apex, containing two dark lines, preceded by blackish 



