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XYLOCOPA TUDERCULICEPS. 



NOTE xxxni. 



MSCRTPTION OF THREE NEW EXOTIC SPECIES OF 

 THE IIYMENOPTEROUS GENUS XYLOCOPA. 



BY 



C. RITSEMA Cz. 



1. Xylocopa tuberciUiceps , sp. n. 9- 



Allied to Xylocopa tarsata Smith , but larger. 



Length 23 mui.; alar expanse 44 mm. — Black, with 

 black pubescence, except a spot of ferrugineous hairs on 

 the outer margin of the posterior metatarsus. 



The head densely punctured, and densely covered with 

 black pubescence on the face which is armed with four 

 glossy tubercles: one between the antennae, another on 

 the middle of the front margin of the clypeus , opposite 

 to the median tubercle of the labrum , and two on the 

 middle of the lateral margins of the clypeus. 



The thorax punctured and covered with black pubescence , 

 except the middle of the disk which is impunctate and 

 naked. The hindborder of the scutellum rounded , not 

 sharply edged. The wiugs dark fuscous, darker behind 

 the enclosed cells, with shades of purple, blue and green. 

 The pubescence of the legs black , with exception of a spot 

 of ferrugineous hairs on the outer margin of the posterior 

 metatarsus, and another smaller one of the same color on 

 the apex of the under surface of the posterior tibiae. The 

 small spot on the apex of the tibiae is however sometimes 

 wanting. 



Note.-s li'oin (lie Ijeytlen Miiseuni, Vol. II. 



