446 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 40. 



occur in the West Indies. All of Doctor Ashmead's species from the 

 West Indies were described in the genus Holcopelte * a genus which 

 later Doctor Ashmead considered a synonym of Horismenus. 



1. Coxae white productus Ashmead. 



Coxae not white 2 



2. Scape white 3 



Scape not white 7 



3. Face above transverse furrow with weak thimble-like punctures medially, the 



sides and ocellar triangle smooth, without such punctures; scutellum faintly 

 reticulated; lateral carinse of scutellum not meeting medially at apex of 



scutellum; median carina of scutellum not reaching apex cupreus Ashmead. 



Face above transverse furrow, usually including ocellar triangle with thimble- 

 like punctures or ocellar triangle reticulated 4 



4. Scutellum reticulate 5 



Scutellum smooth; first segment of abdomen smooth balloui, new species. 



5. First segment of abdomen punctured 6 



First segment of abdomen reticulate nigroaeneus Ashmead. 



6. Prepectus closely punctured apantelivorus, new species. 



Prepectus not punctured cockerelli, new species. 



7. Segment one punctured metallicus Ashmead. 



Segment one reticulate nigrocyaneus Ashmead. 



HORISMENUS BALLOUI, new species. 



Female. — Length about 1.5 mm. Deep green, scape and legs 

 except coxae, white; face above transverse furrow with shallow 

 thimble-like punctures; pedicel shorter than first joint of funicle; 

 mesocutum finely reticulate; scutellum smooth; pleurae almost 

 smooth; prepectus punctured; petiole hardly longer than broad; 

 segment one of abdomen smooth, about as long as the following 

 segments combined. 



Male. — Length about 1 mm. Similar to the female, except in 

 secondary sexual characters. 



Habitat. — St. Kitts, West Indies. 



Type.— Cut. No. 13654, U.S.N.M. 



Three female and two male specimens received from Mr. H. A. 

 Ballou, bearing the additional record "No. 17, L. oleae on Spathodea 

 14/2/10." 



Named for Mr. H. A. Ballou. 



HORISMENUS APANTELIVORUS, new species. 



Female. — Length about 2 mm. Dark greenish aeneous, the scape 

 and legs, except coxae, white; face above transverse furrow with 

 thimble4ike punctures, the ocellar triangle finely reticulate; meso- 

 scutum reticulate, scutellum and axillae reticulated with impressed 

 lines; median elevation of propodeum narrow, not as wide as the 

 depressions on either side of it; pleurae smooth, prepectus with fine 



i Journ. Linn. Soc, Zool., vol. 25, 1894, p. 169 et seq. 



