644 PROCEEDINGS OF THE NATIONAL MUSEUM vol. im 



posterior margin straight; mesoscutum exposed, vertically inclined; 

 scutellum small, acute apically, with an excavated depression basally. 



Hemielytra with a very wide embolium, distinctly laminate basally, 

 cuneus large, rounded externally, about as long as wide at base, 

 cuneal fracture long and distinct; a well marked row of punctures 

 visible on claval and costal veins, as well as on scutello-claval commis- 

 sure of scutellar side; radial vein well delineated; membrane very 

 small, uniareolate, coriaceous. 



Legs fau'ly short, tarsi long and slender; segments in order of length: 

 III, I, II; claws toothed at base, of the Deraeocorinae type. 



Type of genus: Termatophylella fulvioides, new species. 



This genus differs from the other of the Termatophylini, especially 

 from Termatophyloides, in the coriaceous membrane, the weU-marked 

 rows of punctures on the hemielytra, in the very short pubescence, 

 and in the large pronotal calli which recall those of the genus Fulvius 

 Stal. 



Termatophylella fulvioideSf new species 



Figure 123, cj; Plate 31,b 



Characterized by its color and male genitalia. 



Male: Length 2.6 mm., width 1.3 mm. Head length 0.3 mm., 

 width 0.5 mm., vertex 0.27 mm. Antennae segment I length 0.1 

 mm.; II, 0.3 mm.; Ill, 0.2 mm.; IV, 0.2 mm. Pronotum length 0.5 

 mm., width at base 0.9 mm. Rostrum length 0.8 mm.; segment I 

 length 0.20 mm.; II, 0.25 mm.; Ill, 0.21 mm.; IV, 0.21 mm. 



Color: Castaneous (female) or dark castaneous (male). Female 

 with head, pronotum, and scutellum darker; eyes reddish; membrane 

 castaneous with yellowish tinge; antennae pale castaneous; underside 

 castaneous; rostrum, tibiae, and tarsi tending to yellow. Male with 

 eyes reddish; antennae pale castaneous becommg lighter toward the 

 apex; legs reddish castaneous; tibiae and tarsi tending to pale 

 castaneous; rostrum pale. 



Morphological characters: As given for the genus. 



Genitalia: Left clasper and pygophore as seen in figure 123,c. 



Female: Identical to male in morphology and size. 



Holotype: Male, San Luis Potosi, Mexico, "Bt. Tex. 69391," on 

 orchids, Mar. 7, 1950, USNM 61947. Allotype: Female, same data 

 as type. 



The name of this species is derived from its resemblance to Fulvius 

 Stal (Cylapinae, Fulviini). 



