482 AUGUST SCHLETTERER. 



ß'mooth and shining-; the wings slightly coloured, the nervures ferruginous, 

 the anterior margins of the fore-wings clouded towards their apex; the 

 anterior and intermediate tibiae and tarsi yellow, the latter slightly 

 ferruginous. Abdomen punctured, the two basal segments strongly so, 

 the three following luuch more finally so and shining ; the apex of the 

 fifth and the sixth strongly punctured ; the second, third and fourth 

 Segments with a narrow yellow fascia on their apical margins, slightly 

 attenuated in the middle. 



47» Cerceris unifaseiata Smith. 



Cerceris unifaseiata Smith: Cat. Hym. Ins. Brit. Mus. IV. 456, 9 • . 1856 



Female. Length 4 lines. — Black: the face below the antennae, 

 the scape in front, and the mandibles, yellow ; the flsigellum fulvous 

 beneath. Thorax: an obscure line on the collar laterally, a spot on the 

 tegulae in front, and the post-scutellum, yellow ; a minute spot on each 

 side of the metathorax ; the wings subhyaline, the apex of the anterior 

 wings with a dark fuscous cloud, which also occupies the marginal cell; 

 the apex of the coxae, the trochanters and tips of the femora, the anterior 

 and intermediate tibiae and tarsi, yellow; the tibiae with a ferruginous 

 stain behind. Abdomen: the third segment with a broad yellow band 

 on its apical margin, the margins of the segments narrowly yellow- 

 testaceous; beneath, the apical margins of the segments are yellow. 



48. Cerceris vagans Radosz. 



Cerceris vagans Radosz: Reis. Turkest. Mose. 61 1877 



Nigra; facie, smpo, prothorace macnUs dnabiis, puncto calloso, 



postscutello, pedibiis ahdominisque fasciis 4 lutek , segnieuto 2-o fascia 



basali, 3-o , 5-0 et G-o lata integra. Alis hyalinis^ apice fumatis. 

 L. 7 min. 



49, Cerceris variolosa Costa Ach. 



Cerceris variolosa Costa Ach.: Ann. Mus. zool. Un. Nap. V. 111, 9 . 1869 



Cr ebre et fortiter punctata, chjpeo inferius rede truncato, postscutello 

 crebre punctato-varioloso, area dorsali meianoti longitudinaUter irregulär iter 

 plicafa;' nigra , facie siiperius triramose cum clypeo et genis, mandibuUs 

 basi , abdominisque fasciis dorsalibus duabus latis, antica in segm. Stio 

 latissime interrupta, postica segm. sextum totiim occupante anterius an- 

 guste scissa, flavis ; femoribus fiilvis, tibiis tarsisque flaris; alis hyaUnis, 

 apice fumatis, venis fusco-festaceis , tegulis piceis anterius pallidis. L. 

 corp. mill. 10; expans. al. mill. 16. 



