Uranotaenia in Solomon Islands — B elkin 
323 
Ninth tergite broadly and very shallowly 
emarginate apically, median bridge long, 
lateral lobe slightly but acutely produced; 
basal lobe of sidepiece with few bristles 
U. harnesi n. sp. 
3. PUPAE 
1. None of the larger abdominal hairs con- 
spicuously branched; trumpet index 3.0 or 
less; paddle with two distinct hairs and 
strong inner and outer serrations; hairs 
1-3-C single; hairs 8, 12-11 present 
U. quadrimaculata Edwards 
Larger abdominal hairs conspicuously 
branched; trumpet index 3.5 or more; 
paddle with one indistinct hair or none, 
inner serrations always very weak, outer 
poorly sclerotized; hairs 1-3-C multiple; 
hairs 8, 12-11 absent. 2 
2. Trumpet index at least 10; hair 8-C with 
long central stem and short basal branches; 
hair 2-III laterad or cephalad of l-III. . .3 
Trumpet index at most 6.3; hair 8-C with- 
out strong central stem, branches subequal; 
hair 2-III distinctly mesad of l-III 4 
3. Hair 4-1 V, V single, longer than two fol- 
lowing tergites together; trumpet uni- 
formly dark, tracheoid to pinna 
atra Theobald 
Hair 4-IV, V 2-5b, shorter than two fol- 
lowing tergites together; trumpet dark on 
tracheoid and apex, light in between, tra- 
cheoid to 0.55 from base. . . U. harnesi n. sp. 
4. Trumpet without slit in meatus; paddle 
almost as wide as long, without hair; hair 
4-IV-VI usually 3b, branches heavy, curved 
apically, extending to middle of second 
tergite following U. wysockii n. sp. 
Trumpet with a distinct slit in meatus; 
paddles distinctly longer than wide, hair 
present but small; hair 4-IV-VI usually 
with more slender straight branches .... 5 
5. Hair l-II secondarily branched; hair 4- 
V-VII usually 3b, distinctly longer than 
following tergite and distinctly longer than 
hair 1 on corresponding segments; trum- 
pet index 5.0 U. cmnskti n. sp. 
Hair l-II primarily branched only; hair 
4-V-VII usually 4-6b, slightly longer than 
following tergite and about as long as hair 
1; trumpet index 4,0 or less 6 
6. Trumpet dark basally, golden brown on 
apical half or more; hair l-II 6, 7b; paddle 
serrations very indistinct, restricted to apex 
U. sexaueri n. sp. 
Trumpet dark throughout; hair l-II 10, 
lib; paddle serrations distinct on apical 
half of external margin. . . U. solomonis n. sp. 
4. LARVAE (FOURTH INSTAR) 
1. Thorax and abdomen without dorsal or 
ventral stellate hairs; hair 1-A at apex; hairs 
8-M, 7-T short, multiple but not barbed; 
hairs 9-M, T single; hair 6-I-IV of ap- 
proximately equal size, all arising from 
basal tubercles; comb plates united dor- 
sally into saddle; comb scales and pecten 
teeth not fringed laterally or apically, but 
may have a few basal denticles 
U. quadrimaculata Edwards 
Thorax and abdomen with slender dorsal 
and ventral stellate hairs; hair 1-A near 
middle or base; hairs 8-M, 7-T long, mul- 
tiple, barbed; hairs 9-M, T multiple, 
barbed; hair 6-1, II about three times or 
more longer than 6-III, IV, the latter with- 
out basal tubercles; comb plates separate, 
not united dorsally into saddle; comb 
scales and pecten teeth with lateral or 
apical fringes 2 
2. None of head hairs developed into spikes; 
hair 1-A long, branched, reaching beyond 
apex of antenna; hair 1-S as long as siphon; 
pecten extending to 0.8 of siphon. ...... 
U. wysockii n. sp. 
