256 U. S. NATIONAL MUSEUM BULLETIN 216 



dot before, white; wings hyaline, subiridescent, nervures and stigma 

 fuscous; legs, including coxae, white, tips of tarsi blackish; second 

 and following segments of abdomen with a transverse black spot on 

 each side at tip, and a transverse deeply impressed line near base and 

 apex, the lateral middle being therefore more or less swollen; basal 

 segment with a median shallow groove above, and a short, stout 

 tubercle on each side; venter yellowish-white. Length, .28 inch. 



"i7a&.-Rockledge, Florida. Found on an orange leaf." [Bred 

 from cocoons found on an orange leaf.] 



9. Acrotaphus, new genus 



Figure 296,b 



Front wing 7.5 to 18 mm. long; body slender; eye bare; clypeus 

 moderately long, moderately convex basally, the rest in longitudinal 

 direction weakly convex, flat, or weakly concave, its apex truncate 

 and weakly reflexed; temple concave, flat, or weakly convex; occip- 

 ital carina usually high and reflexed; ocelli usually very large (in 

 the other Nearctic genera the temple is more convex acid the ocelli 

 smaller); epomia absent; upper median part of pronotum without a 

 pocketlike structure; mesoscutum polished, with few or no hairs; 

 notaulus long but not sharp; prepectal carina present, somewhat 

 abbreviated above, its upper end distant from front edge of mesopleu- 

 rum; pleural carina of propodeum absent; legs slender; areolet absent; 

 intercubitus 0.4 to 1.0 as long as second abscissa of cubitus; nervulus 

 interstitial or approximately so; discoidella strong; first tergite moder- 

 ately long; second through fourth tergites polished, almost impunc- 

 tate, covered with long sparse hairs, each tergite with a median pair of 

 rounded swellings; ovipositor sheath about four times as long as 

 apical depth of abdomen; ovipositor straight, with a weak swelling 

 just beyond the middle, gradually tapered from this swelling to 

 the apex. 



Genotype: Epimecis wiltii Cresson. 



The generic name is from the Greek "a" (without) plus "krotaphos" 

 (the temple), referring to the narrow temple. 



Acrotaphus is a New World genus, including the Nearctic A. 

 wiltii and a number of Neotropic species, among them Epimecis 

 fuscipennis Cresson 1865, from Cuba; Epimecis fasciata Brulle 1846, 

 from Brazil; Epimecis tibialis Cameron 1886, from Central America; 

 and Epimecis latifasciatus Cameron 1911, from British Guiana. 

 The species of this genus have a strong superficial resemblance to 

 Hymenoepimecis. Hymenoepimecis differs from Acrotaphus, however, 

 in lacking the prepectal carina and in having a forward-opening, 

 pocketlike structure on the neck region of the pronotum above. 



