ENTOMOLOGICAL CABINET, 



PERIDEA SERRATA. Stephens. 



Bombyx serrata. Thunberg. 



Bombyx tritopus. Haworth. 



The Great Prominent. 



Brownish grey : the upper wings with a dark brown 

 irregular streak near the base, and the others indis- 

 tinctly defined ; the second and fourth reaching 

 across the wing, and meeting a little beyond the 

 prominent scales or dent, on the lower or inner 

 margin of the wing; the interstices between the 

 nervures of the wings in the two superior cells have 

 a long narrow streak ; in the lower cells towards the 

 apices, a row of lunules or crescent-formed marks 

 above the cilia or fringe of the same colour ; the 

 lower wings of a dingy silvery white, yellowish at 

 the base with pale brown lunules near the margin : 

 body brownish. 



The caterpillar is light green, with two whitish 

 lines down the back, and with red and yellow oblique 

 stripes down the sides : the legs are red : it feeds on 

 the oak and is found in the months of August and 

 September. 



Inhabits the oak, and has been taken from the 

 trunks of those trees the end of June and beginning 

 of July. 



We have never met with but one specimen of this 

 rare insect in all our excursions, and that was taken 



i2-a 



