Aedes of the Philippines — Knight and Hull 
165 
Fig. 4. A. {Khinoskused) longirostris. Larva, a. Head 
(Samar); b, terminal segments (Balabac). 
the scales with blunt fringed tips. Siphon 
smooth, with an attached acus, index 3.4- 
3.8; 8-15 pecten teeth, each tooth long 
slender and fringed along basal portion; 
siphon hair tuft with 5 branches, rarely 3-6, 
inserted near apex. Anal plate spiculated, 
covering little more than the dorsal area of 
the segment; Ih single; isc with 3-6 branches, 
osc single; ventral brush of 10 tufts with 1 off 
the barred area basally, the tufts with 2-8 
branches; barred area not connected laterally. 
Anal gills small and bulbous, subequal, the 
dorsal pair 0.15-0.24 as long as anal plate. 
BIONOMICS: The adults were found resting 
in crab holes. The larvae were collected from 
brackish pools in swamps and near the beach, 
from brackish water in a beached boat, from 
a tin plate in a grassy area, and from a de- 
pression on a fallen log. The larvae were 
collected from brackish water in crab holes 
on Mindoro by E. S. Ross. Causey (1937: 
413) reported a larval collection from a 
brackish rock pool in Siam. 
DISTRIBUTION: Specimens examined. R. K. L. 
Samar: 3 males, 8 females, 19 sets assoc, skins, 
Pintanahon, nr. Osmena (Laffoon). Minda- 
nao: 1 male, 2 females, Zamboanga, City of 
Zamboanga Prov. (Laffoon, Knight). Pala- 
wan: 1 female, Iwahig Penal Colony (Laf- 
foon). Larvae, Tacburos (Fitzgerald). Bala- 
bac: 2 males, 1 female, larvae. Cape Melville 
(Laffoon, Johnson, Howell, Fitzgerald). Phil- 
ippine Bureau Health Coll. Palawan: 2 males, 
1 female, Iwahig (Nuno). C.A.S. Mindoro: 
1 male, 1 female, 2 sets assoc, skins, nr. 
Mangarin Bay, San Jose (Ross). 
Outside the Philippines it is known from 
northern Australia, Malaya, Siam, and the 
Andaman Islands. 
DISCUSSION: This species has not previously 
been reported from the Philippines. 
Subgenus Stegomyia Theobald 
1901. Stegomyia Theobald, Mon. Cul. 1: 283. 
Genotype: fasciata Fabricius. 
1904. Scutomyia Theobald, Entomologist 37: 
77. Genotype: albolineata Theobald (Aus- 
tralasian and Oriental Regions). 
I9O8. Pseudostegomyia Ludlow, Mosq. Philip- 
pine Isis., p. 10. Genotype: gardnerii Lud- 
low (Philippines). 
1925. Catatassomyia Dyar and Shannon, 
Insecutor Inscitiae Menstruus 13: 71. 
Genotype: meronephada Dyar and Shannon 
(Philippines) . 
ADULT: Dark species, with white markings 
on thorax and legs. Male palpi varying in 
