TIN ETNA [BATRACHEDRA 



former rather elongate, sometimes nearly obsolete. Hindwings 

 rather dark grey. 



S. England to Hereford and Norfolk, local ; C. Europe ; 7. 

 Larva reddish-brown ; head black; plate of 2 black, anterior 

 edge white : in a silken gallery amongst needles of Pinus 

 tris and P. excelsa ; 9-5. 



5. COSMOPTERYX, lib. 



Antennae nearly 1, in simple, basal joint very long. 

 Labial palpi very long, recurved, second joint smooth, terminal 



longer, acute. Posterior tibiae 

 rough-haired. Forewings: 11) 

 furcate, 5 sometimes absent or 

 out of 7, 6 out of 7, 7 to costa, 

 8 out of 7. Hindwings J, 

 linear, cilia 5 - 7 ; transverse 

 vein absent, 3 sometimes ab- 



Neuration of Cosmopteryx druryella. . , _ , 



sent, 4 absent, o absent. 



A genus of few species but very general distribution, 

 occurring in Europe, Asia, Africa, N. America, and Australia. 

 Larva mining in leaves. Pupa in a silken cocoon, usually 

 without the mine. Imago with forewings very narrow, long- 

 pointed or caudate. When sitting in the sunshine, the species 

 have a habit of twirling the long antennae with a graceful 

 motion. 



1. Forewings brownish-ochreous . .1. lienigiella. 



black . . . . .2. 



2. Forewings with large basal brassy patch 2. druryella. 



with brassy fascia near base . .3. 



3. Apical line entire . . . .3. schmidiella. 



broken into two dashes . . 4. eximia. 



1. 0. lienigiella, Z. 9-14 mm. Forewings light brownish- 

 ochreous; costal and dorsal edges white; a fine white longi- 

 tudinal subcostal line from costa near base to J, another along 

 fold from base to middle, and a short one beneath posterior 

 extremity of this ; a somewhat brighter fascia beyond middle, 

 narrowed dorsally, edged with pale golden -metallic streaks, 

 posterior interrupted, anterior followed by a variable black spot 

 above middle ; a white longitudinal streak from near beyond 

 this to apex. Hindwings grey. 



Norfolk, Cambridge, in fens, local ; N. Germany, NW. 

 Russia ; 6, 7. Larva rosy-whitish, sometimes with rosy trans- 

 verse bands ; dorsal line darker ; head black ; 2 broad, with a 



