172 C. B. HAEDENBERG. 



individual tree, and which, when gathered, appeared to be of 

 about the same size and age. 



Geographical Distribution. — Until recently, the 

 species seemed to be confined to places at or near the Natal 

 Coast, judging from the localities on record ; but during the 

 spring of 1917 the writer found a few isolated specimens at 

 Pietermaritzburg, 



The localities whence the species has been recorded thus far 

 are the following : Nkwaleni, Zululand ( Janse, the type) ; 

 Durban, Natal (Piatt, Hardenberg) ; Phoenix, Natal (Harden- 

 berg) ; Pietermaritzburg (Akerman, Hardenberg). 



Economic Importance. — For the present the species 

 cannot be considered sufficiently abundant to cause any 

 apprehension. Its potentiality for injury is, of course, as 

 great as that of the Wattle Bagworm, A. junodi, and the 

 more so as the species appears to be practically free from 

 parasitic enemies. Given especially favourable conditions for 

 its increase, it may become a pest to be reckoned with, for it 

 may be mentioned that while collecting these bagworms at 

 Durban we found over a hundred on one thorn tree, which 

 was stripped by them. 



From the variety of food-plants above mentioned, it appears 

 that this species is in the transition stage, a few individuals 

 adapting themselves to plants other than acacia, and it is 

 probable that this species, before becoming a menace to the 

 large plantations, will first make itself felt as a nuisance in 

 the garden on various ornamental plants. 



4. Clania moddermanni {Heylaerts) . PI. XIIT, figs. 9-14. 



Eunieta moddermanni Heyl. Anu. Soc. Ent. Belg., 1888, vol. xxii, 



p. lix ; Kirby, Cat. i, p. oU3. 

 Clania moddermanni (Heyl). Janse, Ann. Natal Mus.. 1917, vol. 



iii. pt. 3, p. 592. 



This is tlie largest species of bagworm which we have thus 

 far found in South Africa. The bag is very characteristic, 

 as can be seen from the photographs (PI. XIII, figs. 9-14), and 



