Aedes of the Philippines — Knight and Hull 
221 
more than 17 tufts 9 
8. Ventral brush with 30-32 tufts; pen- 
tad hair 2 single .... {Mucidus) ferinus 
Ventral brush with 22-26 tufts; pen- 
tad hair 2 double 
{Mucidus) aurantius quadripunctis 
9. Comb teeth in a straight or irregular 
row (3-24 in number) 10 
Comb teeth in a patch or double row 
(14-100 in number) 34 
10. Ventral brush of 8-10 tufts 11 
Ventral brush of 12-17 tufts. 24 
11. Head hair 5 with 4-20 branches; head 
hair 12 with 10-25 branches 12 
Head hair 5 with 1-2 branches; head 
hair 12 with 2-5 branches 18 
12. Pecten with 2-6 teeth; antennal hair 
tuft with 1-5 branches 13 
Pecten with 12-24 teeth; antennal hair 
tuft with 5-17 branches 15 
13. Posterior margin of anal plate with a 
small area of short spines; stellate 
hairs of body with 3-6 slender 
branches {Stegomyid) hoogstraali 
Posterior margin of anal plate with a 
fringe of strong spines ; stellate hairs 
of body with 6-19 stout branches . . 14 
14. Ventral brush with all elements borne 
on the barred area . . {Stegomyid) lajfooni 
Ventral brush with 2 tufts off the 
barred' area basally 
{Stegomyid) albolineatus^^ 
’ (Stegomyid) hoharti 
{Stegomyia) arboricolus 
15. Comb teeth fringed to just before 
apex; ventral brush of 10 tufts. . . . 
{Finlayd) niveus 
Comb teeth not fringed beyond mid- 
dle; ventral brush of 8 tufts 16 
16. Antennal hair tuft with 10-17 branch- 
es; spicules on posterior margin of 
anal plate minute {Finlayd) saperoi 
Antennal hair tuft with 5-8 branches; 
i^These species have been provisionally separated 
as follows: 
Anal gills finger-like, about twice the length of the 
anal plate (1.6-2. 2) albolineatus 
Anal gills tapered from base, about 1.5-1. 8 times 
longer than anal plate hoharti 
Anal gills tapered from base, occasionally some- 
what lanceolate; dorsal pair 1.05-1.15 times 
longer than anal plate arboricolus 
spicules on posterior margin of anal 
plate stout, long 17 
17. Head hair 4 with 8-10 branches; 5 
with 6-8 {Finlaya) laoagensis 
Head hair 4 with 13-14 branches; 5 
with 9-12 (Finlaya) albolateralis 
18. Siphon with a distinct, narrowly at- 
tached acus {Finlaya) harperi 
Siphon without a true acus 19 
19. Comb teeth borne on a sclerotized 
plate 20 
Comb teeth not borne on a sclerotized 
plate 22 
20. Barred area of ventral brush not con- 
nected laterally; a small patch of 
spines laterally on the posterior 
margin of the anal plate 
.... {Stegomyia) mediopunctatus perplexus 
Barred area of ventral brush connected 
to a prominent sclerotized plate on 
each side; anal plate smooth 21 
21. Head hairs 5 and 7 single; ventral 
brush hairs single . . {Stegomyia) desmotes 
Head hair 5 with 3-6 branches; 6 with 
3-7 branches; ventral brush hairs 
double or triple . {Stegomyia) bambusicolus 
22. Meso- and metathoracic pleural spines 
conspicuous, stout, elongate, and 
usually curved near apex; comb 
teeth with prominent lateral spines 
at the base of the long central spine 
{Stegomyia) aegypti 
Meso- and metathoracic pleural spines 
slender, straight, and not conspicu- 
ous ; comb teeth bearing only a fine 
fringe at the base of the long spine . 23 
23. Ventral brush with 2-3 hairs off the 
barred area basally; Ih inserted in a 
clear area within the anal plate. . . . 
{Stegomyia) gardnerii 
Ventral brush with all hairs borne 
within the barred area; no clear area 
around point of attachment of Ih 
{Stegomyia) scutellaris 
{Stegomyia) paullusi 
{Stegomyia) albopictus 
24. Ventral brush with 14 or more tufts. . 25 
Ventral brush with 12 (rarely 11 or 
13) tufts 27 
25. Ventral brush of 16-17 tufts; anal 
plate complete . (Banksinella) imprimens 
