824 Roh. Lucas: 



B. 



Arten, deren Stellung in den vorigen Tabellen 



nicht ermittelt werden konnte. 



1. Pepsis affinis Dahlb. 

 Pepsis affinis Dahlb., Hym. I, 1845, pag. 464, no. 9. 

 Aus der Bestimnmngstabelle (I.e.) ergiebt sich: 



2 : Alae nigro-violaceae, apice nonnihil dilutiores. Metanoti carinula 

 transversalis ultima in cristam elevata. Corpus niagnuni. Clypeus apice 

 subtruncatus. Alae subcyaneae, veuis nigris. — Surinam. 



2. Pepsis fumipennis F. Sm. 

 Pepsis fumipennis F. Smith, Catalogue of Hym. Ins. in the coli, of 

 the Brit. Mus. III, 1855, pag. 192, no. 14 Qcf. 



Female. Length 16 lines. — Black: the head and thorax with an 

 obscure aeneous tinge; the seven apical joints of the antennae creani-co- 

 loured; the wings smoky hyaline, the anterior pair having a broad dark 

 fuscous cloud at their apical roargins, the nervures black, sutfused with 

 fuscus; the legs obscurely blue; the metathorax transversely strigose. Ab- 

 domen adorned with an obscure greenish blue iridescent pile; the apex 

 clothed with black pubescence. 



Male. — Very closely resembling the female in colour; the antennae 

 porrect, the seven apical segraents entirely cream-coloured, with usually 

 three or four additional joints, white beneath; the posterior legs very long, 

 the tarsi broad and compressed. Abdomen subpetiolate, of an obscure blue- 

 black colour; beneath smooth and shiniug, the fourth segment thinly co- 

 vered with black pubescence. 



The number of pale apical joints in the antennae of this species varies 

 greatly, of four specimens examined (malcs). the number are three, five, 

 seven, and eight and a half: the number is the same in all the females 

 yet obtained, namely seven. 



8. Pepsis sericans Pel. 

 Pepsis sericans St. Farg., Hym. III, 1845, p. 473, No. 6 $. 

 Caput nigrum, nigro pubescens pilosumque. Antennae nigrae. Tiiorax 

 niger, nigro pilosus multumque pubescens; metathoracis dorso longitudina- 

 liter unisubsulcato. Abdomen nigrum, subnudum. Pedes nigri, pilis spinis- 

 que nigris. Alae ferrugineae, apice nigrae; nervuris, puncto marginali, 

 Costa squamaque nigris. — Femelle. Long. 1 pouce 5 lignes. 

 Exotique. Sans patrie. Musee de M. Serville. 



4. Pepsis ferruginipennis F. Sm. 

 Pompilus ferruginipennis Halid., Trans. Linn. Soc. XVII, 1837, pag. 

 326, no. 40 $ . 

 Es scheint sehr fraglich, ob diese Art wirklich eine Pepsis ist. Warum 

 hat Haliday sie nicht dazu gestellt, da er doch \on e\nQX Pepsis hcros F. 

 spricht. 



Cyaneus; antennis alisque rulls. Fem. Long. corp. lU lin. Alar. 18 lin. 



