454 



PAPILIOXID^. 



Summer brood : 



mehfe, Menetries ; Amurland, Corea, and Japan. 

 mandarina, Leech ; Northern China. 



ajaka, Moore ; North-west Himalayas (the spring form, which is smaller 

 and less heavily marked Avith black, is unnamed). 



Distribution. Amurland, Askold, Corea, Japan, North and Central China, 

 Sikkim, N.W. Himalayas. 



Pieris extensa. (Plates XXXVI. figs. 4^,5? var.; XIJII. fig. G cJ .) 



Picris erut(e, var. extensa, Poujade, Ann. Soc. Eiit. France, 1888, p. xix. 

 Pieris eurydice. Leech, Entomologist, xxiv. Suppl. p. 5 (1891). 



" Euvcrgure : cJ 5 70 mill. ; $ , 76 mill. Cette variete ne differe de I'espece preccdente que par 

 uiie taille plus grande etpar les ncrvures a peine marquees de noir ou de brun, tant en dessus 

 qu'en dessous, chez la femelle ; la tache noire de I'apex du dessus des ailes supcrieures est 

 aussi moins etendue. Le bord costal des ailes superieures parait plus arrondi chcz la femelle. 



" Dccrit sur deux males et deux femelles. Moupin." (Poujade, I. c.) 



Var. eurydice, Leech. (Plate XXXVI. figs. 4 , 5 $ .) Closely allied to P. melete, ]\renotrie8, 

 with which species both sexes agree in general characters, but they are respectively larger ; 

 the clubs of the antennae are not tipped with yellow ; the discocellular nervules of primaries 

 form a regular curve without indentation ; these nervules and the median nerve are thickly 

 bordered with black scales ; there are two black spots in the second median interspace (confluent 

 in the female); the black apical border of primaries is narrower than in melete, and extends 

 along outer margin as far as third median nervule, and there is a small black spot at the end 

 of second median nervule. On the under surface of primaries the discoidal cell is not 

 sprinkled M'ith black scales as it is in P. melete. The female is less suffused with black 

 than the same sex of P. melete. 



Expanse, c? 80-8G millim. ; $ , 72-76 millim. 



1 have accurate drawings of the insects described by Poujade as Pieris 

 erutce, Boisduval, and P. erufce, var. extensa. The first-named is certainly 

 identical with the Chinese spring form of P. melete ; whilst the so-called 

 female of extensa is really a male of the summer brood, and agrees in every 

 respect with the male type of my P. eurydice (Plate XXXVI. fig. i 6). 

 The male type of extensa is almost identical with a specimen from Omei-shan 

 (Plate XLHJ. fig. G) in my collection, which I consider to be an example 

 of the first l)rood eurydice. 



Occurs in July at Mou])in, Omei-shan, Wa-shan, Chia-kou-ho, and Huang- 

 mu-chaiig in Western China, and also at Chang-yang in Central China. 



