Monographie der Bienengattung Centris (s. lat.). 348 



hairs; sixth segment with dark-brown pubescence, the pygidium almost as in atriventris) 

 wings subhyaline. Length 12 mm. 



Texas. Three specimens. This species is apparently quite close to C. mexicana 

 Smith, but in that species the wings are described as fuscous. C. subhyalina mav sub- 

 sequently prove to be the female of C. lanosa Cress. 



Centris xylocopoides Fox.') 



i8gg. Centris xylocopoides Fox, Q, Natural sc. Philadelphia, pag. 6g. 



9. Deep black, clothed throughout with black pubescence; space between eve and 

 mandible reddish; eves slightly diverging above; clypeus medially flattened and im- 

 punctate, otherwise strongly punctured; labrum stronglv punctured, covered with long 

 hairs, acuminate apically; second Joint of flagellum about as long as the third, fourth, 

 tifth and half of sixth joints united; a small bare spot on dorsulum medially and at base 

 of scutellum; abdomen above only pubescent on apical segments, beneath on all Seg- 

 ments mediallv and apical margins of segments 4 — 6; pygidium triangulär, somewhat 

 depressed, with a similarly shaped raised area basally; wings black, variegated with 

 brilliant shades of blue, green and purple. Length 28 mm. 



Island of Trinidad, West Indies. November, i8g2. Two specimens. The im- 

 mense size and entirely black color remind one of the species oi Xylocopa. 



Neue Arten von Centris und Epicharis. 

 I . Centris weilenmanni Friese. 



igoo. Centris weilenmanni Friese, 5, Termesz. Füz., XXIII, pag. 117. 



§. Nigra, fusco-hirta, ut rubella; sed facie nigra, clypeo transversim ruguloso, 

 scutello toto flavo-hirsuto, abdomine fuliginoso, dense fiavido-hirto; pedibus fuliginosis, 

 nigro-hirtis. Long. 18 mm. 



Centris ipeilenmanyii steht der rubella am nächsten, hat aber ein schwarzes Ge- 

 sicht und schwarze Scopa. 



9. Schwarz, schwarz bis schwarzbraun behaart, Clypeus fast querrunzelig, seit- 

 lich mit einzelnen grossen Punkten. Mandibel vor der Spitze gelblich; Fühler unten 

 braun. Thorax mehr schwarzbraun behaart, am Vorderrand mit einzelnen gelben, aber 

 nicht auffallenden Haaren, Scutellum ganz breit, gelb behaart. Abdomen braun, mit 

 fast schwarzer Segmentbasis, überall dicht anliegend gelblich behaart; Analfranse roth 

 und borstig; Ventralsegmente lang rothgelb befranst, Analsegment scharf gekielt. Beine 

 schwarzbraun, schwarz behaart, Sporen fast schwarz, Scopa ganz schwarz; Flügel blau- 

 violett, fast undurchsichtig, Adern und Tegulae schwarz. 18 Mm. lang, 7 Mm. breit. 



I 9 von Brasilia (Pernambuco, Weilen mann). 



2. Centris pauloensis Friese, 

 igoo. Centris pauloensis Friese, cT, Termesz. Füz., XXIII, pag. 117. 



cf. Nigra, plerumque flavo-hirsuta, ut xanthocnemis) sed clypeo basi trigibboso, 

 abdominis segmentorum marginibus nigro-hirtis; pedibus omnibus nigro-hirsutis. Long. 

 23 mm. 



') Es ist C braccata Packard nicht berücksichtigt! 



