NO. 2061. HYMENOPTERA FROM GUATEMALA— ROHWER. 517 



STICTIA GUATEMALENSIS, new species. 



This species runs in Handlirsch's table to grarulis Handlirsch, from 

 which it may be readily separated, as the following description will 

 show: 



Female.— Lengih, 13 mm. Labrum gradually narrowing to the 

 truncate apex; clypeus with a strong median carina, the anterior 

 margin truncate; third antennal joint a httle shorter than the fourth 

 and fifth; anterior ocellus in a pit; thorax closely, finely granular; 

 anterior tarsi flattened, the basal joint longer than the three following; 

 femora simple; legs feebly spined; empodia large, well defined; 

 abdomen shining, under high magnification finely reticulate; apical 

 .tergite studded basally with a number of strong spines. Black; 

 clypeus, labrum, supraclypeal area, antennal fovese, inner margins of 

 the eyes almost to the vertex, a U-shaped spot inclosing the ocelli, 

 a line on the posterior orbits broader beneath, posterior margin of the 

 pronotum, tubercule, ventral margm of the pronotum, a broad band 

 from beneath tegulse to the anterior margin of the mesepisternum, a 

 band from the median coxae to the above-mentioned band, the mesepi- 

 meron below, spot on the sides of the propodeum, two marks on the 

 scutum, and a transverse mark on the scutum in front of the scutellum, 

 two spots on the sides of the scutellum, metanotum, posterior margin 

 of the propodeum, an elongate, longitudinal, lateral spot on the first 

 tergite, two median subcircular spots on the same tergite, bands on 

 the second, third, fourth, and fifth tergites which are subinterrupted 

 medianly and with sublateral prong which projects anteriorly to the 

 basal margin of the tergite, sides of the last tergite, and all the stern- 

 ites, ijelhw or yellowish wTiite; legs yellow, the femora above with a 

 black fine, and a black spot on the posterior margin of the four anterior 

 tibiae, the four posterior femora except where mentioned are rufo- 

 ferruginous; scape and fii'st flagellar joint yellow beneath, the second 

 and following joints of the flagellum ferruginous beneath; wings 

 hyaUne; venation brown. 



Antigua, Guatemala, and Guatemala City, Guatemala. Described 

 from two females, the type from Antigua, both collected by W. P. 

 CockereU. 



Tyfe.—Q2.t. No. 16026, U.S.N.M. 



SILAON IRESINIDES, new species. 



Belongs to the group chilensis and is related to mexicanus Rohwer, 

 but may be separated from mexicanus by the tridentate clypeal lobe. 



Male. — Length, 6 mm. Clypeus strongly carinate, median ante- 

 rior lobe strongly tridentate; head coarsely, closely granular; posto- 

 cellar line one-third longer than the ocellocular line; flagellum thick- 

 ening apically, the first joint slightly longer than the second, the 

 apical joint acuminate and slightly longer than the dorsal length of 

 the two preceding joints; mesoscutum shining, studded with close, 

 well-defined, medium sized punctures; mesepisternum coarsely granu- 



