118 
MICROLEPIDOPTERA OF NEW GUINEA 
Ceylon, Java and New Guinea to Australia, with a straggler in Congo, 
but seems to originate from India. 
Key to the known genera of the Carposinidae l ) 
1. Fore wing with vein 2 from 3 / 4 of cell, straight (Tesuquea Klots) 
Fore wing with vein 2 from far beyond 3 / 4 of cell, curved 2 
2. Fore wing with vein 9 absent (Metrogenes Meyrick) 
Fore wing with vein 9 present 3 
3. Fore wing with veins 8 and 9 stalked, at least in male (sometimes connate 
in female) 4 
Fore wing with veins 8 and 9 separate 8 
4. Hind wing with cell extremely short P/j of wing) ; male genitalia of deviating 
type ( Archostola Diakonoff) 
Hind wing with cell normal; male genitalia of the normal Carposinid type 5 
5. Palpus in female extremely long, with terminal segment moderate .... 
Camacostoma gen. nov. 
Palpus in female not extremely long 6 
6. Fore wing with veins 10 and 11 closely approximated, 11 from 3 / 4 — 4 / 5 of cell 
(Metacosniesis Diakonoff) 
Fore wing with veins 10 and 11 not closely approximated, 11 from 1 / 2 — 1 / 3 
of cell 7 
7. Palpus ascending, smooth, slender ( Mesodica Diakonoff) 
Palpus porrect, dilated by more or less projecting scales Meridarchis Zeller 
8. Hind wing with vein (1 developed 9 
Hind wing with vein 6 reduced to a fold or absent 13 
9. Hind wing with veins 3 and 4 stalked 10 
Hind wing with veins 3 and 4 separate 11 
10. Palpus in female moderate, slightly curved, subascending, with appressed 
scales, terminal segment under 1, pointed; hind wing with vein 2 from 3 / 4 of 
lower edge of cell ( Commatarcha Meyrick) 
Palpus in female rather long, porrect, with appressed scalos, expanded above 
towards apex, terminal segment very short, exposed; hind wing with vein 2 
from towards angle of cell ; male with secondary sexual characters in both 
fore and hind wing ( Sosineura Meyrick) 
11. Palpus with median and terminal segments porrect, median segment strongly 
ovately dilated towards apex by rough scales above and beneath, terminal 
segment stout, clavate, about 1 / 3 ; fore wing with very large tufts 
Hystrichomorptia gen. nov. 
Palpus ascending or subascending, terminal segment strongly ascending; fore 
wing normally tufted 12 
12. Palpus moderately long, subascending median segment little dilated, tapering 
at apex, terminal segment obliquely ascending, 1 / 2 , thickened, somewhat 
clavate, subobtuse; fore wing with vein 11 from 3 / 5 ; hind wing with cell elongate, 
ovate posteriorly, 3 from angle, remote from 4 Blipta gen. nov. 
Palpus moderate, ascending, median segment dilated, terminal segment 
vertically rising, over l / 2 , moderately thickened, acute; fore wing with 11 from 
beyond 3 / 3 ; hind wing with cell outwards obliquely truncate, 3 from well before 
angle, 4 from angle Xyloides gen. nov. 
13. Fore wing with veins 7 and 8 stalked 14 
Fore wing with veins 7 and 8 separate 15 
1 ) Genera which do not occur in the Papuan region are placed in brackets. 
