HYMENOPTERA. 385 



6. APATHUS FRATERNUS. B.M. 

 Male. Length 10 lines. Black ; the face below the insertion 



of the antennae densely covered with dark fuscous pubescence ; 

 the flagellum very slender, the joints subarcuate ; on the vertex 

 the pubescence is mixed with fulvous. Thorax clothed with 

 short fulvo-ochraceous pubescence, on the middle of the disk it 

 is black ; the wings fuscous, darkest towards their base ; the 

 legs clothed with short dark fuscous pubescence. Abdomen 

 elongate, narrowed towards the apex ; the two basal segments 

 clothed with short fulvo-ochraceous, and the apical segments 

 with short black pubescence. 



Hab. North America. 



7. APATHUS CITRINUS. B.M. 



Male. Length 6 lines. Black, the face densely clothed with 

 long black pubescence; on the vertex it is obscurely yellow. 

 Thorax thinly clothed above with long lemon-coloured pubes- 

 cence, having a black band between the wings ; the wings fusco- 

 hyaline, slightly clouded at their apical margins ; the sides of the 

 thorax have a yellow pubescence, but beneath and also on the 

 legs it is black. Abdomen, the three basal segments clothed 

 with lemon-coloured pubescence, the apical ones with black ; 

 beneath black. 



Hab. United States. 



8. APATHUS BRASILIENSIS. 



Female. Length 7 lines. Black; head subrotundate, the 

 face clothed with black pubescence, that on the vertex mixed 

 with a few yellow hairs. Thorax clothed anteriorly with long 

 yellow pubescence ; the disk shining, thinly covered with black 

 hairs ; the metathorax, the sides and beneath have also a black 

 pubescence; the wings subhyaline, their nervures ferruginous. 

 Abdomen shining, the base thinly clothed with black pubescence ; 

 on the third and fourth segments it is white, but on the apical 

 ones it is black ; the apical segment incurved, nearly naked and 

 acute. 



Hab. Brazil (Para). (Coll. F. Smith.) 



Genus 62. BOMBUS. 



Apis, pt., Linn. Syst. Nat. i. 953 (1766). 

 Bombus, Latr. Hist. nat. Ins. xiv. 63 (1802). 

 Bremus, Jurine, Hym. (1807). 



