138 Mr, T. D. A. Cockerell — Descriptions and 



Paracolletes prov'idellus bacchalis, subsp. n. 



^ . — Lengtli a little over 7 mm. 



Differing from providellus as follows : abdomen with only 

 tlie faintest greenish tinge, easily overlooked ; hind tibiae, 

 and basal half of their basitarsi^ bright chestnut-red ; hair 

 of face stained with fuscous, of scape, front, and vertex, dark 

 fuscous or black ; tegulse piceous ; hind margins- of abdo- 

 minal segments hardlv at all reddish ; b. n. meeting t.-m. 



Hab. Bacchus Marsh, 2.1.06 {F. L. Billinghurst ; Nat. 

 Mus. Victoria, 88). 



1 should have thought this a new species, were it not 

 that the two following varieties appear to connect it with 

 P. pi'ovidellus : — 



Variety a. Abdomen distinctly dark green ; hind tibiae 

 and greater part of basitarsi chestnut-red. Victoria, 

 Sept. 1901 (C. French ; Turner collection). 



A'^ariety b. Abdomen distinctly dark green ; hind legs 

 coloured as in the other forms, except that the tibiae 

 have a broad dusky shade beyond the middle. 

 Windsor, Victoria {French ; Froggatt coll. 186). 



Paracolletes ibex, sp. n. 



^ . — Length 8 mm. 



Slender, black ; hair of head and thorax long, greyish 

 white, black on sides of face and on vertex ; mesothorax and 

 scutellum with very long black hairs ; upper part of face 

 Avith a little black hair ; head broad ; mandibles red at apex ; 

 clypeus dullish, not strongly punctured ; flagellum dark, 

 crenulated below, and the margins of the joints projecting 

 above, the whole suggesting the horns of an ibex ; meso- 

 thorax moderately shining, little punctured ; scutellum dull 

 and granular ; area of metathorax large, dull, shining at 

 extreme base. Legs slender, black, with pale hair; spurs 

 creamy white ; tegulae piceous. Wings a little dusky, 

 nervures and the large stigma dusky ferruginous ; b. n. 

 meeting t.-m. ; .second s.m. broad, receiving first r, u. a 

 little beyond middle ; third s.m. broad above, receiving 

 second r. n. some distance from end. Abdomen dullish, 

 black, hardly punctured, hind margins of segments obscure 

 reddish ; hair of abdomen very thin, scattered, pale, but 

 dark fuscous at apex ; ventral segments with thin white 

 hair-fringes. 



Hab. Windsor, Victoria (7'>('/<cA, 1 909 ; Froggatt coll. 95). 



