Records of Bees. 475 



Centris maroniana, sp. u. 



c?. — Len^^th about 28 ram., anterior wings 22*5 mm. 

 Robust, black, including the legs, but antei'ior trochanters 

 and tibiae suiJused with chestnut-red. Eyes very large, con- 

 verging above ; ocelli large, practically contiguous, and 

 lateral ones distant from eyes less than half diameter of one ; 

 sides of face, supraclypeal area and upper part of clypeus 

 ferruginous ; the rest of clypeus and the labrum chrome- 

 yellow ; scape short and stout, dark reddish, yellow in front; 

 mandibles elbowed near apex ; hair of head clear ferru- 

 ginous ; disc of mesothorax and mammiform elevations of 

 scutellum shining; thorax densely covered with velvety 

 hair, black, with a faint rusty tint dorsally, except ante- 

 riorly, where it is rich deep red, the red gradually fading 

 into the black ; pleura with dark reddish hair ; anterior legs 

 with red hair, black on basitarsi; middle and hind legs with 

 long pure black hair; tegul^e ferruginous. Wings dark 

 fuliginous, brilliantly purple, with some shades of green. 

 Abdomen with short velvety hair, which is black exce[)t a 

 broad yellowish-white (olivaceous-tinted) band, occupying 

 second segment except base and third except extreme apex. 

 " Guyane, Maroui "" (Queensland Museum ; received from 

 Le Moult). 



Related to C. smithiana, Friese (which I have from 

 r. Smith's collection), but larger, with the hair of the 

 thorax dorsally black except in front. From the character 

 of the ocelli, it possibly Hies in the evening or at night. 

 The bee-fauna of Maroui, as shown by tlie same collection, 

 includes the following : — Acmithopus splendidus, Fab., Aglae 

 carulea, Lep., Exeerete frontalis, Guer., Oxcea festiva, Sm., 

 Xi/locopa barbata. Fab., Bombus incarum^ Frankl., Ceiitris 

 obsoleta, Lep., C. americana, Klug, Epicharis conica, Sm., 

 E. schrotthji, Friese, E. afjinis, Sm., Ceratina Iceta, Spin., 

 EulcBina dimidiata, L., E. fasciata, Lep., E.niocsaryi, Friese, 

 E. smaragdina mexicana, Mocs., Euglossa brullei, Lep., 

 Eufrksia pulchra, Sm., &c. 



Pachymelus mediocmcius, sp. n. 



f7 . — Length 18 mm., length of anterior wing 14 mm. 



Black, with tarsi dark red ; eyes large, slightly converging 

 above ; clypeus prominent, but flattened on disc, yellow, 

 with upper and lateral margins and two conspicuous spots 

 black ; labrum large, emarginate at apex, yellow, with 

 lateral and inferior margins narrowly black ; mandibles 



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