liecordi I'J Bees. 27 



Purucolldcs thornkiyhensis, sp. ii. 



(J . — Lciifjtli a little over 7 mm. 



lilack, (juitc hairy, especially on tlie head and tlujiax. 

 Face den.-ely covered with light yellowish hair ; hair ot" 

 clucks yellowish white, but of vertex and occiput, of mcso- 

 thorax exccj)t in front, and of the scutclluins for the most 

 part nifjro-fuscous ; hair of thorax othi rwise j^rcyish white 

 and of legs dull white ; facial quadrangle as broad al)uve as 

 its length, but eyes converging below ; mandil)les black, with 

 a faintly reddish sub:ii)ieal sjiot ; vertex punctured, but a 

 broad sjjaee on each side of ocelli is impunctate and very 

 shiny ; llagcllum dark brownish and crcnulate beneath ; 

 mesothorax and scutelhun shining, with distinct scattered 

 l)iinctnris ; area ot nictathorax smooth and very shiny, with 

 an impicssed longitudinal line, but no transverse keel; legs 

 brown-black; spuis yellowish white; tcgulai rufo-piccous. 

 AVings hyaline, iridescent, the stigma and nervures sepia- 

 brown ; stigma rather large; b. n. curved and falling a little 

 short of t.-m., which is very oblique; second s m. twice as 

 broad Lelow as above, receiving first r. n. a little beyond its 

 middle ; third s.m. receiving second r. n. a short distance 

 from its end. Abdomen shining and strongly punctured, 

 w ith the ajjical margins of the segments depressed and more 

 or less reddened ; the short erect hair of the abdomen is pale 

 about as far as the middle of the third segment, after that 

 black or grey-black ; the apical half has long j.ale hairs 

 showing at the sides, but they are attached to the ventral 

 j>urface ; genitalia peculiar, seen from above they present a 

 pair of very large approximately liemisj)herical plates, not 

 contiguous ; behind these are the strongly divergent stipites, 

 with hairy ends ; between these is a dark object something 

 like the head of a nail, with a slender stem, which consists 

 of the sngittic, apparently completely fused. The tongue is 

 very broad, ferruginous, -with the apical margin gently- 

 convex, not at all emarginate, and beset with mmute 

 protuberances. Palpi normal. 



Hub. Thornleigh, Australia {Froygalt) ; 1890. 91. They 

 bear the collector's number 3:2. 



Two specimens. The tongue of this species olTi-rs what 

 looks like a transition between the Colletid and the llalietid 

 types, though properly belonging to the former. 



The forms of ParacoIIdcs (sens, hit.) described in this 



