LACHNEIDES. 



453 



Palrearctic species into 21 genera, all of which are proved to be natural 



since the early stages confirm the characters derived from the imago. 



His survey of the genera is set forth in two dichotomous tables, the 



first one based on the imago, the second on the fullgrown larva. 



Section A takes off Chondrostega, B embraces the remainder. The 



following are his characters for the second section. 



The Imago. 



B. Discoidal cell of forewings always completely, of hindwings at least partially, 

 closed. Hindwings with basal cell. Nervure 11 of forewings always running 

 into the costa, and 10 never into the hind-margin. The forehead naked or 

 only with one protuberance. 



a. Nervure 8 unites shortly" after the base, for a short dis- 



tance with the front median nervure, but is then free 

 and widely separated from 7. The transverse nervures 

 of h.-w. in their anterior part more or less indistinct . 2. Malacosojia. 



b. 8 of h.-w. unites in a point or anastomoses for a dis- 



tance with 7, or is united by a transverse nervule 

 with it or with the front median nervure. The 

 transverse nervules of h,-w. complete. 



* Nervure 8 is at first united, as far as the commence- 

 ment of 7 with the front median nervure, and then 

 proceeds either from the same point as 7 or else 

 anastomoses therewith. 



a'. Wings with dense mealy scales ; nervure 9 of fore- 

 wings to outer margin . . . . . . . . . . 3. Trichiuka. 



a" . Wings thinly scaled, nervure 9 of f.-w. into the costa, 



or rarely into the apex . . . . . . . . . . 4. Poecilocampa. 



** 8 of h.-w. never united with front median nervure, the 

 basal cell accordingly reaches at least to the beginning 

 of nervure 7. 



a'. 8 of h.-w. anastomosed with 7 from base 



a' . 8 of h.-w. not anastomosed with 7 until after the com- 

 mencement thereof, or united by a transverse nervure, 

 or even not connected at all. 



b' . Basal cell of h.-w. of moderate size, always narrower 

 and usually shorter than the middle cell. Nervure 8 

 touches 7 or is connected with it by a very short 

 transverse nervule. 



c'. 8 of f.-w. arises before the apex of the cell. 



d'. Wing-margin and fringe entire. 



e'. Nervures 4 and 5 of h.-w. separate ; 3 arising a long 

 way before hinder angle. 



f. Palpi short, densely scaled, eyes hairy. 



cf . Basal cell of h.-w. long, extending far beyond the 

 middle of the median cell, without distinct supple- 

 mentary nervures. F.-w. without, or with only one 

 transverse nervule 



g". Basal cell of h.-w. short, scarcely reaching the middle 

 of median cell, with two strong supplementary 

 nervures. F.-w. with two transverse nervules 

 Palpi long, thin, bristly-haired, the terminal joint long. 

 Eyes naked. 8 of f.-w. always from the stalk of 9 



and 10 



4 and 5 of h.-w. stalked, 3 separately out of the hinder 

 angle. Basal cell of h.-w. with two supplementary 

 nervures. 

 8 of f.-w. out of the middle cell ; 9 to margin near apex 



/'". H of f.-w, out of the stalk of 9 and 10 ; 9 into the costa 



d". Wing-margin dentate or distinctly waved. 4 and 5 of 

 h.-w. shortly stalked. 



e'. Tarsi with appressed scales. Costa of h.-w. straight. . 



e". Tarsi at least haired on outer side of base. Costa of 

 h.-w. irregularly arched. . 



Eiiiogasteb 

 ( = Lachneis) 



/' 



/' 



G. Lasiocampa. 



7. Macbothylacia. 



8. Ajiubia. 



11. Chilena. 

 21. Bhima. 



17. Dendeolimus. 

 1G. Odonestis. 



