14 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 78 



basitarsus. Ovipositor shorter than the remainder of the abdomen, 

 yellow at base and on the side to about the middle, the principal 

 segment about twice as long as the last one ; terminal organs yellow. 



Length, male 4.8 mm., female about 4 mm. to ovipositor, which 

 is 2 mm. long. 



Redescribed from 10 males and 5 females; 13 specimens were 

 collected on Barro Colorado Island, Canal Zone (10 by C. H. Cur- 

 ran, 3 by Nathan Banks) ; 1 male, 1 female, Lombardia, Honduras 

 (William M. Mann). 



Originally described from 10 male and 7 female specimens, taken 

 near San Rafael, Vera Cruz, Mexico. See note under stylosa as to 

 these types. 



STYLOGASTER ETHIOPA Townsend 



Stylogastcr ethiopa Townsend, Annals and Mag. Nat. Hist, ser. 6, vol. 19, 

 1897, p. 26.— Krobeb, Entom. Mitteilungen, vol. 3, 1914, p. 351; Archiv 

 Naturgesch., vol. 83, 1917 (1919), p. 43, pi. 8, fig. 54. 



Stylogaster aethiops Szilady, Ann. Mus. Nat. Hung., vol. 24, 1928, p. 592, 

 fig. 3. 



Female. — Front rather wide, the ocellar triangle large, shining, 

 brownish black, reaching almost to the lunule ; the remainder of the 

 front is opaque velvety black, except a narrow silvery orbit, an exten- 

 sion of the facial color which reaches fully to the middle of the front. 

 Antennae rather short, second joint on outer side not much more 

 than one-half the third and nearly black in color; third joint black 

 with narrow reddish border below. Mesonotum rather shining uni- 

 form black, the humerous and a narrow space close to it pale yellow, 

 the black of the dorsum extending down on the mesopleura, posterior 

 part of mesonotum very slightly paler; humeral 1; notopleural 2; 

 supraalar 2. 



Abdomen quite dark, anterior third or half of each segment dark 

 yellow except a median continuation of the black part. First seg- 

 ment black above, with only pale bristles on the sides, the area from 

 which they arise being very faintly brownish. Ovipositor black, 

 short basal segment yellow, base of second and third segments yel- 

 low, the combined length slightly more than the rest of the abdomen. 

 Hind femora with two broad black ill-defined annuli ; hind tibia with 

 striking white color, beginning beyond the middle and reaching 

 almost to the apex, the white portion has white hairs behind ; hind 

 tarsi entirely black. 



Length, 5.5 mm. to ovipositor, the latter a little over 3 mm. 



Redescribed from 9 female specimens: 3 were from Higuito, 

 San Mateo, Costa Rica (Pablo Schild) ; 2 La Suiza de Turrialba, 

 Costa Rica (P. Schild, received from Prof. A. L. Melander) ; 

 3 Lombardia, Honduras (W. M. Mann) ; 1 Cano Saddle, Gatun 

 Lake, Canal Zone (R. C. Shannon). 



