42 THE CANADIAN ENTOMOLOGIST. 



III4, III5 shorter, subquadrate, with vein IV3 beyond its middle ; 

 m. p. 6, a little longer than galea ; 1. p. simple, 5: i ; glossa lance- 

 linear, acuminate, shorter than mentum • mandibles bidentate ; 

 femorilegid, scopa plumose, a simple curl on base of femur ; 17mm ; 



Paranomia Nortoiiii in (3) Nomiidse. 



Tegulae ordinar)' i. 



1. Labrum free from mandibles, as large as ciypeus, shorter than wide, 



transversely striate, without basal process ; cell III1+2 pointed on 

 costa ; 2 submarginal cells, subequal ; femorilegid, scopa simple, 

 a thin floccus on trochanter plumose; mandibles bidentate ; m. p. 

 6, longer than galea or stipes ; 1. p. simple, 6: 4, longer than 

 mentum ; glossa lance-linear, acuminate, longer than mentum ; 

 nervures pale ; thorax with dull ochraceous pubescence ; segments 

  with apical margins pale testaceous ; 7-8 mm ; Halictoides 



marginattis in (4) Dufoureidse. 



Labrum ordinary 2. 



2. Hind tibia and metatarsus broad, with dense simple hairs, white on 



former, black on latter ; pollen mixed with honey carried mainly 

 on anterior faces of both joints; cell llli+> pointed on costa; 2 

 submarginal cells, III snd IIIi+j, subequal; vein ;;/ about etjuals 

 Vi ; mandibles bidentate; m. p. 6, shorter than galea 1. p. simple, 

 2:1; abdomen closely and coarsely punctured ; 9 mm ; Macropis 



steirone?natis in (5) jNIacropididae. 



Hind tibia and metatarsus ordinary 3 



3. Cell nii+2 truncate ; 2 submarginal cells ; facial fovete present, narrow, 



glabrous ; mandibles simple ; labrum with a median area ; cruril- 

 egid, pollen mixed with honey carried mainly on anterior face of 



tibia .....' (6) Panurgidse. 



Cell HIi+2 pointed on or near costa, acuminate beyond veinHIi; 

 usually 3 submarginal cells, HI = nij«-f- HI,;, or nearly; vein m 

 shorter than Vj ; femorilegid ; m. p. 6; 1. p. simple, at most 1 = 2-4 ; 

 glossa shorter than mentum ; vein a rarely a little before Vg . 4. 



4. Vein a strongly bent or arcuate ; ;// quite oblique to line of Vj ; IV3 



beyond middle of cell Hlg ; no facial foveoe ; scoj^a plumose, femur 

 with long hairs posteriorly*; m. p. longer than galea, shorter than 

 stipes ; glossa lanceolate or lance-linear, 

 ' acuminate (i) Halictidte 



*.Scopa warning in inciiiiiines. 



