SOUTH AFRICAN BAGWORMS. 



225 



thorax siiuill^punctulate. Mesothorax large, striato-punctulato, 

 liunioral angles broadly rounded. Metathoi'ax narrow, pos- 

 terior wing-cases visible to the anterior half of 3rd abdominal 

 segment. Abdominal segments finely striated transversely, 

 1 to 3 unarmed ; 4 and 5 with a row of minute hooks on 

 posterior declivity ; G, 7 and 8 with one row of stouter hooks 

 near cephalic edge, strongest and most numerous on the 

 7th segment ; segment 9 unarmed ; segment 10 bears a well- 

 developed cremaster, consisting of two stout, curved hooks 

 on laterally compressed, conical bases, and directed ventro- 

 anteriorly. 



12. Monda heylaertsi Junocl. 



Monda heylaertsi Jimod. Bull, de 1. Soc. Neuch. d. Sc. Nat., vol. 

 xxvii, p. 250, 1899. 



This species, apparently the smallest of the four species 

 here enumerated, has been described by Junod from Lake 



Text-fig. 25. 



Monda heylaertsi Junod. 

 A. Bag of mature larva, b, c. Bags of young larva. D. Male moth. 

 All nat. size. (After Jiiiiod.) 



Rikatla, Delagoa. I have not found the species in Natal, and 

 do not know of a specimen in any of the collections in South 

 Africa. Junod's description is translated as follows : 



Wing expanse 13 mm. White, with front wings for the 

 greater part grey. Fore wings white, transparent at base, 

 with a uniform light grey diffusion, which extends over the 

 greater part of the wing, leaving white only as a narrow 

 region of triangular shape, running from the middle of 

 the anterior border at the costa to 1 mm. from the base 

 (text-fig. 25, d). Posterior wings uniformly white and trans- 



VOL. 4, PART 1. 15 



