76 THE CANADIAN ENTOMOLOGIST. 



TWO NEW COLLETES FROM COSTA RICA. 



BY MYRON H. SWENK, LINCOLN, NEBRASKA. 



Colletes fiiger, n. sp. — $ . Black, shining, with long erect jet black 

 pubescence ; clypeus prominent, with coarse close punctures tending to 

 form stripe on either side of a sliallow median longitudinal depression, and 

 with a deep transverse depression just before the sharply truncate apex ; 

 face above and on sides of clypeus much more closely and finely punc- 

 tured, and covered with a long and dense pubescence which extends over 

 the clypeus itself; vertex and cheeks very finely punctured, the former 

 practically bare except for a tuft of long hairs in the interocellular space, 

 the latter with abundant long hairs ; ocelli pale, opalescent ; occiput 

 fringed with long erect pubescence ; malar space smooth, its length about 

 two-thirds width of mandible at base ; mandibles slender and polished, 

 deeply grooved without, notched almost at the tip, which is blunt and 

 slightly rufescent in some lights ; labrum with a rounded median pit at 

 base ; antennte entirely glossy black, the first joint of the flagellum as long 

 as the second and third together ; no prothoracic spines ; disc of meso- 

 thorax sparsely covered with erect hairs and witii a ^qw fine punctures, 

 the pubescence becoming longer and denser and the punctuation finer 

 and much closer on the sides, especially anteriorly ; scutellum with a 

 narrow impunctate line at base followed by a coarsely but evenly punctured 

 surface, the postscuiellum finely roughened and densely covered with long 

 erect pubescence ; base of metathorax bounded by an indistinct rim and 

 a transverse series of rectangular pits, medially subquadrate but imperfect, 

 laterally more perfect and twice as long as broad ; enclosure funnel- 

 shaped, shining, the neck very wide, almost as broad at base as long ; 

 sides of metathorax dull, finely roughened, rather sparsely pubescent ; 

 pleura evenly, closely and finely punctate, and with sparse, long 

 pubescence ; tegulfe black ; wings long, smoky, hyaline, slightly irides- 

 cent, the nei vures and stigma black ; first submarginal cell about equal to 

 second and third, which are subequal, together, the second receiving the 

 first recurrent nervure at its middle, the third the second recurrent nervure 

 two-thirds from the base and narrowed one-half toward the appendiculate 

 marginal cell ; legs with moderately heavy pubescence, long on anterior 

 femora, shorter and quite dense on posterior femora where forming a 

 pollen-carrying scopa; pubescence on inner surface of tarsi dark brownish; 

 spurs testaceous, claws rufescent at apex ; abdomen short and moderately 

 shiny, the first segment with sparse, fine punctures, becoming closer and 



