22 



RHOPALOCERA NIHONICA. 



hybernaculum soon after its emergence, and remains quiescent until the following Marcli, when it is 

 awakened by the first warm day an d may then be seen depositing its eggs on the unopened buds of the 

 Celtis. The pupa is suspended by the tail after the man ner of a Vanessa. It varies considerably in 

 markings and size. 



Family NYMPHALID^l. 



61. Dichorragia nesimachus, Boisd. (Pi- 5， 10 ) 



Localities ― Nikko, Tosa, Niigata. 

 Time of appeat ance ― June to Jul}'. 



I'liis is a mountain insect, and the male is not uncommon. The fema le is decidedly rare, and is 

 soinew liat larger than the male. 



62. Apatura ilia, SchifF. (Pi- 5， fig- 9-) 



Var. clytie, Schiff. A. here, Feld. 

 A. substitute, But. 



Localities ― T()l く yo， Abama-yama, O-yama. 

 R>od plant ― Salix. 



Time of appearance ― July to September. 



This most beautiful butterfly is very capricious, and, although not uncommon in Tokyo, is almost un- 

 known in Y り I く uhaiua. It d^litrhts in fl) ing round the tops of tall willow trees, now and again descending 

 to moist spots in the road way or settlinir on the leaves of its favourite tree. The green pupa mimics a 

 youn*/ willow leaf, butli in shape and color. It varies greatly in intensity of color according to locality, 

 and is more abundant on the mtjm"aiiis than in the plains. 



63. Euripns charonda, Hew, (PL 5, fi g- 6.) 



Localities —— VoUoliama, Cliicliibu, Yamato. 

 1 ime of ^ippe^ii ance. —— july. 



This grand insect is not uncommon, but is very difficult to obtain perfect. I ト ave often seen several 

 dozens in a day without beino- able to secure a single specimen. It is quite fearless, and the male lias a 

 favourite stand, often on the summit of a tall tree, from which it sallies forth and attacks any passing bird 

 or insect, returning to its [)erch after it has chased the intruder away. Almost the only way to obtain it is 

 to find an oa k or chesn ut whicli has been attacked by the borinp- Cossus or Hepialus, the fomenting sap 

 from their bu rrows beinp* very attractive to it. Each individual generally has its favourite tree to which 

 it descends to suck the flowing sap and fight the other insects whicn also crowd sucli attractive spots. 

 W'ilhin the space of a few feet on the bole of a tree it may o f L e n be seen in company with two or 

 ^llirce enorniuus Hornets and a crowd of Lethe s ice I is ^ Stag, and other Beetles, which it buffets with 



