147 



Tcrgitc I apically and 2 basally and apically a little contracted ; stcrnites 

 similar but distinctly irregularly finely and sparsely punctate. 



Pubescence noticeable only on sides of pronotum, middle of collar, 

 lateral apical hair patches on tergite t, emargination of sternite 5, apical 

 silvery patches on outer tips of the tibiae and a basal one on hind tibiae, 

 and the tarsi. 



First recurrent received by ist cul)ital cell, second interstitial. 



Length 5.5 mm. ; wing 4 mm. 



$ Stipites acute, extending Iieyond the sagittae; 8th sternite with the 

 apical process V-shaped, the sides not produced ; 7th sternite with he 

 teeth rather feeble but long, the apical lobe long and strap-shaped, much 

 longer than tlie liasal. 



Two 9 9 and two S $ collected at Oloke ]\leji, Ihadan, 

 Nigeria, Aug.-Sept. 1914 (Bridwell). 



The 9 differs from Bouyssoiul Vaclial in the mesonotum 

 being not longitudinally impressed, the collar black, and the 

 first tergite practically impimctate. 



Hylaeus (Deranchylaeus) rugipunctus Alfken. 



Prosopis rugipuncta Alfken. 



Dentsch. Ent. Zeitschr. 1914:192 9 $ Cape Colony. 



9 Differs from immarginahi in the yellow collar and 

 coarser puncturing of the al)domen and the basal area of the 

 propodenm is margined behind. 



S Has the supraclypeal- area l)lack, scape not widened. 



Hylaeus (Deranchylaeus) xanthostoma (Alfken). 



Frosopis xantliosioma Alfken. 



Deutsch. Ent. Zeitschr. 1914:190 9 $ South Africn, 

 Belgian Congo. 

 One 9 Oloke ^lejl, Ibadan, Nigeria, Aug.-Sept. 1914 

 (Bridwell). 



I'O. .Vksylakis 11. viihncn. of lIvr..vKts. 



The species which is described below is so similar in form 

 and general structure to the species of Hylneus that I can find 



tio c.xtei'ual structui'e distinguishing it. It has, however, the 

 eighth stei'uite hearing an apical process simihir to that of 



