1895,] HYILEXOPTEEA OF THE ISLA^fD OF GEEN.\DA. 755 



(1) Tbtbliogbapha xanthopoda, sp. n. 



2 • Length 1-1 to 1"5 mm. Polished black ; antennse, except 

 four or fiye basal joints, black or piceous black ; basal joints of 

 antennae and legs reddish or brownish yellow. 



Antennae 13-jointed, gradually incrassated, the scape a little 

 longer than the pedicel ; first flagellar joint the longest and 

 slenderest, and fully one-half longer than the second, the joints 

 beyond gradually increasing in size from the third, second and 

 third joints subequal, fourth, fifth, and sixth about equal in 

 length, a Httle longer than the third, joints 7-10 a little shorter 

 and stouter than the sixth, the last joint ovate. Cup of scutellum 

 rather large, oval, smooth, polished, impunctate, with a small oval 

 fovea posteriorly, the anterior part smooth and convex. Wings 

 hyaline, ciliate, the veins yellow, the marginal cell completely 

 closed, the first abscissa of radius a little shorter than the second, 

 curved inwardly, the second almost straight, the cubitus distinct, 

 curved downwards at base; the marginal cell is only about 1| 

 times as long as wide. Abdomen a little shorter than the head 

 and thorax together, with a narrow, sparsely pubescent girdle at 

 base. 



The male agrees with the female, except in having long, 15- 

 jointed antennae, with only the three basal joints rufous, the 

 following all being piceous black, striated ; the first joint of 

 flagellum is slightly longer and stouter than the second, the second 

 and following joints are equal, eUipsoidal, three times as long as 

 thick. 



Balthazar. Described from one male and two female specimens 



EucoEXA, "Westwood. 

 Tahle of Species, 



Females. 



Marginal cell more or less open along the fore 



margin 4. 



Marginal cell completely closed. 



Species reddish brown or ferruginous 3. 



Species with head and thorax black, abdomen 



rufous 2. 



Species black or mostly black. 



a. Cup of scutellum rather large, oval, its base 



almost touching the margin of mesonotum, 



with a fovea posteriorly, and usually some 



punctures on the smooth anterior part 



Six terminal joints of antennse fuscous or 



black ; rest of antennee and legs reddish 



yellow ; cup of scutellum with a transverse 



fovea behind, and a few punctures along 



the margin of anterior part E. ovalis, Ashm. 



Eight terminal joints of antennse fuscous or 

 black ; rest of antennse and legs reddish 

 yellow ; cup of scutellum with a rounded 

 fovea posteriorly, the anterior part sub- 

 convex, polished, impunctate E.un ifoveata, sp. n . 



