38 THE CANADIAN ENTOMOLOGIST 



Chloriona fuscipennis, sp. nov. Fig. 10. 



Male, macropterous. Length of vertex twice the width, apex slightly 

 narrower than base, length of face two and one-half times the w^dth, slightly 

 wider on apical half; antennse reaching to the base of clypeus or slightly beyond, 

 first joint half the length of the second; hind tibia of equal length to tarsi, first 

 tarsus longer than the other two together, spur nearly as long as first tarsus, 

 wide, laminate, many small teeth on the hind margin; lateral pronotal carinse 

 diverging posteriorly, slightly curved, not reaching the hind margin. 



Dark brown, front and middle legs lighter brown, antennse, rostrum, hind 

 legs, lateral portions of pronotum, middle of pro- and metanota yellowish or 

 light brown. Tegmina hyaline, fuscous, an area over apex of costal and sub- 

 costal cells clear, infuscation darkest along cubital area, commissure white with 

 a dark mark at apex, granules minute with black hairs; wings hyaline with brown 

 veins. 



Pygofer opening wide, dorsal emargination deep; anal segment sunk into 

 emargination, round; genital styles long, straight, flat, narrowed on apical third, 

 apex truncate. 



Length 2.5 mm.; tegmen 3.4 mm. 



Habitat. — Demerara River, British Guiana. 



Delphacodes guianensis, sp. nov. Fig. IL 



Male, macropterous. Vertex as long as wide, length of face slightly more 

 than twice the width, sides subparallel, slightly narrowed between the eyes; 

 antennse reaching slightly beyond the base of the clypeus, first joint more than 

 half the length of the second (1 to 1.4); hind tibia longer than tarsi, first joint 

 of hind tarsus as long as the other two together, spur large, as long as the first 

 tarsal joint, broad, laminate, apex acute, small teeth on the hind margin. 



Light brown or ochraceous; a minute Ijlack spot on the lateral carinse of 

 face in front of the ocelli, a slightly darker longitudinal mark down the tibise, 

 abdomen darker with a light line down the middle of the ventral surface and 

 on pleura. Tegmina hyaline, slightly yellow, veins yellow, granules fine with 

 black hairs; wings hyaline with yellow veins. 



Opening of pygofer slightly deeper than broad, anal segment small not 

 closely embraced by pygofer, a pair of short, stout, curved, diverging spines 

 on medio-ventral surface, their bases approximate; genital styles large, flat, 

 broadest at apex which is t^runcate and oblique, outer edge slightly concave, 

 inner edge produced into a process at the middle, which is longer than broad 

 and rounded at apex. 



Length 2 mm.; tegmen 3.3 mm. 

 Habitat. — Demerara River, British Guiana. 



Delphacodes subfusca, sp. nov. Fig. 12. 



Male, macropterous. Vertex slightly broader than long; antennse reaching 

 to base of clypeus, first joint about half the length of second; length of face 

 about twice the width, slightly narrowed between the eyes, beyond which the 

 sides are parallel; median carina furcate at base; hind tibia equal in length to 

 the tarsi, first tarsal joint equal to the second and third together, spur as long 

 as first tarsi at joint, wide, pointed, laminate, small teeth on the hind margin. 



Light brown or ochraceous, darker between carinci? of head and over coxse 



