178 [January 



thinly clothed with an erect dull ochraceous pubescence, long on the 

 basal segment and very short on the remaining segments ; basal margins 

 of the third and fourth segments and almost the whole of the two apical 

 segments clothed with a short, dense, appressed, ochraceous pubescence; 

 the last segment incurved, with a rounded, depressed, naked space on 

 the disk, below which on the posterior margin are two short, distant, 

 subacute teeth; venter flat, piceous, shining. Length 6 lines; expanse 

 of wings 10$ lines 



Collection. — Dr. J. Grundlach. One specimen. 



Megachile curta, n. sp. 



Black: head and thorax densely clothed with long pale pubescence, which is 

 black on the vertex and scutellum; antennae long; legs simple; wings hya- 

 line: abdomen short, incurved at tip, the basal margins of the segments with 

 a narrow fascia of whitish pubescence as well as an uneven line between meso- 

 thorax and scutellum. 



Male. — Short and robust, black, very closely and minutely punc- 

 tured; head large, transverse, rather broader than the thorax, the face 

 densely clothed with long pale ochraceous pubescence, on the vertex 

 and occiput it is black, and on the cheeks and beneath it is long and 

 white ; eyes large ; mandibles moderate, black, acute at tip and fringed 

 beneath with pale pubescence; antennae piceous, pale beneath, fili- 

 form, slender, as long as the head and thorax together, terminal joint 

 pointed not dilated nor compressed. Thorax short, robust, clothed 

 above with black pubescence, slightly mixed with whitish, on the 

 pleura and beneath it is rather longer and entirely whitish; nar- 

 row anterior margin of the mesothorax, covering the tubercles, two 

 short, oblique, longitudinal lines on the disk of the mesothorax in 

 front, and its posterior margin broader above the tegulae and in 

 front of the scutellum, clothed with short, appressed, pale ochrace- 

 ous pubescence ; scutellum clothed with long black pubescence, and 

 the metathorax. especially on the sides, with long pale pubescence; 

 tegulae piceous. Wings hyaline, the apical margins pale fuscous and 

 slightly iridescent ; nervures fuscous. Legs simple, piceous-black, and 

 clothed, especially the femora beneath, with rather long whitish pube- 

 scence ; anterior femora beneath at tip tinged with ferruginous. Abdo- 

 men very short, about as broad as long, incurved at tip, shining, pice- 

 mis-black, the apical and basal margins of the segments depressed; 

 basal segment clothed with long pale pubescence ; apical lateral mar- 

 gins of the segments fringed with whitish pubescence, and the basal 

 margins of the second and third, and almost the whole dorsal surface of 

 the two following segments, clothed with a very short, dense, appressed. 



