1983] 
Werner — Anthicidae 
213 
Key to Greater Antilles Anthicidae 
1. Prothorax with an anterior horn that extends over the 
head 25 
— Prothorax without a horn 2 
2. Sides of mesosternum curved outward to form a broad plate, 
with a variably developed fringe of setae along its 
edges 15 
— Mesosternum with sides diagonal and nearly or quite 
straight, without fringe setae 3 
3. First visible abdominal sternum with a transverse, pubescence- 
lined invagination behind each hind coxa. Elytral pubescence 
double, the under layer more appressed, diagonal 24 
— First visible abdominal sternum without invaginations. Elytral 
pubescence usually single, double in Anthicus pallidus 4 
4. Elytral pubescence double, undercoat more diagonal. Pale, 
somewhat flattened, elytra with dark brown midband and 
suture, markings usually isolating a pale zone in basal and 
apical fourth of each elytron; head truncate. 2.25-2.35 mm. 
Hispaniola, Puerto Rico Anthicus pallidus Say 
— Elytral pubescence simple 5 
5. Vertex of head somewhat produced, edge nearly straight 
from middle to weak temporal angles (Fig. 11). Uniform 
pale brown, somewhat shiny, elytra sometimes with a weak 
median cloud. Ca. 2.6 mm. Hispaniola, Puerto Rico 
Thicanus texanus (LaFerte) 
— Base of head from truncate to evenly rounded 6 
6. Base of head truncate, temporal angles narrowly rounded 
7 
— Base of head rounded, temporal angles broadly rounded or 
not evident 10 
7. Head microreticulate between punctures. Rufescent to 
brown, elytra usually brown except across base. Elytral 
pubescence very short and inconspicuous. 2. 9-3. 2 mm. 
Jamaica Anthicus formicarius (Goeze) 
— Head smooth and shiny between punctures 8 
8. Elytral setae sparse and as long as width of a femur, subde- 
cumbent. Rufescent, shiny, elytra with dark markings that 
