26 CLASSIFICATION OL MOSQUITOES. 
Genus HOWARDINA Theobald. 
Feet black-scaled, the base of the first three joints of the hind ones white-scaled; 
upper side of the thorax white-scaled along the sides, the median portion black- 
sealed and with four narrow lines of pale yellow scales, the two middle lines 
united into a single line posteriorly, the outer two lines situated on the posterior 
haliol thetthoraxs. 025 as2 scemas see sonore eco aos eee hae ae walkeri Theob. 
Genus PNEUMACULEX Dyar. 
Thorax on the upper side velvety-brown-scaled and with six narrow lines of silvery 
scalé@ si sc2)3 22s seeks Sheets See se tec oc ee seek ase peewee eee eles aU LU Cha oar 
5. Subfamily DEINOCERITINZ Mitchell. 
Genus DEINOCERITES Theobald. 
(Synonym: Brachiomyia Theobald. ) 
(a) TABLE OF THE SPECIES. 
Proboscis and feet unicolorous blackish; scales of the upper side of the body also 
blackish 222. 5. cased: Se aessbaoencisteseectceme seis eee er eee cancer Theob. 
(b) List oF THE SPECIES AND SYNONYMY. 
cancer Theob. 
magna Theob. 
6. Subfamily URANOTZENIINZ Lahille. 
Genus URANOTAENIA Arribaizaga. 
(a) TABLE OF THE SPECIES. 
1. Thorax with a median line of bluish scales; feet wholly black.....-.-..------- 2 
Thorax without a median line; hind feet white on at least the last two joints and 
broad apex of the, third’: 2.2.2.5 5.225 22-5 os ase e ee Saami e eee ee 3 
2. Bluish median line of the thorax prolonged to the scutellum.-...-sapphirina O. 8. 
Bluish line obliterated before reaching the scutellum....-.-.-.- Cnn socialis Theob. 
3. Scutellum with blue scales; a patch of blue scales on the thorax a considerable 
distance in front of the scutellum; feet white at the sutures of many of the 
jointa,,- (Middle America: ) 22255. 2--c.6-o- stesso t ose se geometrica Theob. 
Seutellum without blue scales; no patch of blue scales on the thorax in front of it; 
feet wholly black except the last two joints and apex of the third in the hind 
ONGSY Sas oc see e eee oe Se eas oe ee eee ae pees ee eee lowii Theob. 
(b) UNRECOGNIZED SPECIES. 
apicalis Theobald and pulcherrima Arribalzaga. Both of these have been reported 
from the West Indies. 
7. Subfamily TRICHOPROSOPONIN Z Theobald. 
(Synonyms: Hyloconopine Lutz, Dendromyine Lutz, Sabettine Blanchard. ) 
TABLE OF THE GENERA. 
1. Male palpi at least one-half as long as the proboscis; clypeus hairy. (Middle 
American: sc S$ Sec eee ee ee eee ee Trichoprosopon. 
Male palpi less than one-fourth as long as the proboscis; clypeus bare ....-..--- 2 
