62 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.46. 



6. Abdomen with large black clouds on fourth and sixth segments; lateral 



pieces of male genitalia shaped like the end of a finger vitticolle Cresson 



Abdomen without black clouds on fourth and sixth segments; lateral pieces 

 of male genitalia spoonlike motaguense, new species. 



7. Wings entirely hyaline 8 



Wings tipped with dilute fuliginous 10 



8. Metathorax black, with four yellow stripes texanum Cresson. 



Metathorax yellow, with the median excavated space and a line or spot on 



each side black 9 



9. Small, anterior wing under 5 mm. long; Cuba; also collected by Busck at 



Bayamon, Porto Rico annulatum Cresson. 



Much larger; anterior wing about 10 mm. long; Mexico and Central America 



tnexicanum Cresson. 



10. Hind tarsi and tibiae yellow; metathorax with three black stripes. 



atrovittatum Cresson. 

 Hind tarsi and tibiae with much black 11 



11. Length about 17 mm.; wings hyaline except for apical cloud aztecum Cresson 



Length over 25 mm. ; wings conspicuously dusky forte, new species. 



EIPHOSOMA SCHWARZI, new species. 



Female. — Length about 11 mm. Anterior wing about 51 mm.; 

 structure and general type of markings as usual in the genus; wings 

 clear hyaline, broadly fuliginous at tip, the areolet entirely absent; 

 first recurrent nervure with a strong double curve; antennae black, 

 yellow at base beneath ; ground color of head and thorax light clirome 

 yellow; face wholly yellow below antennae; mandibles dark red at the 

 sharply bidentate apex; ocellar region, middle of front and occiput 

 black; mesothorax black with an elongatefl U in yellow, the lateral 

 black lobes smooth and hardly punctured except in front; scutellum 

 yellow ; mesopleura with an oblique black band ; metathorax yellow 

 with a broad median band, which does not reach the base; anterior 

 and middle legs light ferruginous; hind femora red with a blackish 

 shade toward base, and a dark saddle-like mark before apex, the 

 single tooth below this cloud ; hind tibiae with more than the median 

 third ferruginous, the rest black; hind tarsi black; abdomen nearly 

 as in E. mexicanum,, but first joint rather shorter in proportion, and 

 joints beyond midcQe clouded with black. 



Habitat. — Cacao, Trece Aguas, Alta Vera Paz, Guatemala, April 

 14, 1906 (Barber and Schwarz). 



Type.—Cat. No. 15678, U.S.N.M. 



EIPHOSOMA LACTEUM, new species. 



Female. — Length about 9.5 mm. Anterior wing a little over 5 mm. ; 

 structure and markings ordinary, but wings milky hyaline, very 

 white, with the areolet long, petiolate and excessively minute; an- 

 tennae black, yellow beneath at base, and the first three flagellar 

 joints narrowly ringed with pale at apex below; ground color of head 

 and thorax rather pale yellow; mesothorax black with sublateral and 



