1950 ] 
Blake — Flea Beetles 
13 
short and stout with the hind femora well developed. Tibiae not 
channelled or flat but rounded and with a short spur in the 
middle at the end of the hind tibiae. In the male the first joint 
of anterior tarsi enlarged and also in one species the first joint 
of the hind tarsi. In all, the first tarsal joint of the hind legs 
moderately long, in one species about equal to the following 
joints together. Claws appendiculate. 
Key to the Species of Homo schema 
1. Prothorax with a slight depression on either side near 
base ; elytra deep violaceous with a pale yellowish tip. 
Haiti H. leucurum n. sp. 
Prothorax not at all depressed on either side near base ; 
elytra dark without pale yellowish tip 2 
2. First tarsal joint of hind legs in male swollen, aedeagus 
long with a flat, roundish tip. Puerto Rico 
H. latitarsum n. sp. 
First tarsal joint of hind legs in male not swollen. . . .3 
3. Scutellum usually, and breast and abdomen always, 
dark .4 
Scutellum, breast and abdomen pale 6 
4. Aedeagus with a long attenuated tip. Haiti 
H. hojfmani n. sp. 
Aedeagus with a broad point at tip 5 
5. Aedeagus widened to approximately twice the width 
of tip behind the tip. Puerto Rico, St. Thomas, St. 
Croix H. nigriventre n. sp. 
Aedeagus widened less than twice the width of tip be- 
hind the apex. Puerto Rico ......... .H. fraternum n. sp. 
6. Beetles larger (3—4 mm.) and broadly convex; aedea- 
gus broad with a short, acute tip 7 
Beetles not so large, aedeagus not so broad and not 
with a short acute tip 9 
7. Aedeagus in dorsal view widened in a smooth curve 
behind the tip. Cuba H. latum n. sp. 
Aedeagus in dorsal view widened in a sinuous curve be- 
hind the tip 8 
