492 Mr. F. Moore on a Wild-Mulberry Silkworm. 



from some distance before the end of the cell, instead of beyond 

 the end. Body and base of wings squamous, whereas in 

 B. mori they are lanuginous. Shaft of antennae not so thick, 

 the branches slender and with finer cilia ; legs and tarsi 

 slender, laxly squamous, not thick and densely lanuginous as 

 in B. mori. 



Rondotia Menciana. 



Wings ochreous -yellow ; fore wing with a transverse, 

 slender, black-scaled, antemedial curved band, which is 

 slightly angulated between the median and submedian veins ; 

 a similar postmedial irregularly undulated band, and a slender 

 dentated streak at the end of the cell : hind wing with a less- 

 defined black-scaled, transverse, discal band, which is also 

 slightly angulated outward beyond the cell, being darkest and 

 broadest at its posterior end ; a black-speckled spot also on 

 middle of the abdominal margin. Thorax ochreous-yellow ; 

 abdomen brownish ochreous ; legs paler ; eyes black ; shaft 

 of antennas brown, pectinations blackish ; tips of femora and 

 tibiae blackish. 



Expanse, J 1^, ? lyV inch. 



Hob. Province of Chehkiang, N. China. 



Larva about 1 inch in length, pale olivaceous yellow or 

 whitish ; with sixteen legs ; slender ; head and second seg- 

 ment small ; third and fourth segments somewhat tumid ; a 

 small black fleshy horn, y 1 ^ inch in length, on top of twelfth 

 segment, the horn being thick at its base and slender at the 

 tip ; all the segments (except the head) are transversely cor- 

 rugated, each segment having four or five ridges, which are 

 more or less longitudinally folded beneath below the spiracles ; 

 the spiracles are oval, brown, and with a very slender black 

 outer ring ; the anterior and posterior segments have some 

 minute brown speckles between the corrugations, and there is 

 a brown-speckled streak above the anterior and middle legs 

 and the other segments except the anal ; the claws and clas- 

 pers are also brownish ; side of the head and mandibles 

 speckled with dark brown ; a black dorsal spot on anal seg- 

 ment. Found feeding upon the wild mulberry. 



Cocoon small, oval, from half to three quarters of an inch in 

 length ; flossy in texture, of a pale creamy-yellow colour ; spun 

 on a leaf, with some transverse threads of stouter silk fixed 

 across the outside of the cocoon from side to side of the leaf. 



Pupa dark reddish brown. 



The eggs are deposited on the bark of the mulberry-tree in 

 clusters, and are more or less covered with the short hairy 

 scales of the anal tuft. 



It is stated that there are two broods of this wild silkworm 

 in the year. 



