HENRY J. FRANKLIN. 73 



THE BOMBID^E OF THE NEW WORLD. 



BY HENRY J. FRANKLIN, 



Of the Massachusetts Agricultural College, Amherst, Mass. 



(Continued from Vol. xxxviii, page 486.) 



Part II. -SPECIES SOUTH OF THE UNITED STATES. 



Table for Determination of Queens of American 



Species of Bombus South of Northern 



Boundary of Mexico.* 



Abdomen above entirely black or with only black and white pile 1. 



Abdomen with more of less yellow, ferruginous, or reddish pile 

 above 6. 



1. Abdomen entirely black above 2. 



Abdomen with more or less white pile above 5. 



2. Thorax with more or less yellow pile on the dorsum niedius. 



Thorax entirely black 3. 



3. Malar space distinctly longer than its width at apex, fully one-third 



as long as the eye kohli. 



Malar space not longer than its width at apex 4. 



4. Pile very short and coarse brevivillus n. sp. 



Pile somewhat longer and finer than that of brevivillus . 



niger n. sp. 



5. Dorsum of thorax usually with a large and well defined patch of 



white pile on the disc funebris. 



Dorsum of thorax with no definite patch of white pile 21. 



6. Abdomen above with more or less red-ferruginous pile 7. 



Abdomen above with no red-ferruginous pile 27. 



7. Hairs fringing corbiculae entirely or almost entirely black 9. 



Hairs fringing corbiculae either entirely reddish-ferruginous or 



with a very strong admixture of that color 8. 



8. Pleura yellow epliippiatiis. 



Pleura ferruginous handlir^clii. 



9. Dorsum of thorax unicolorous 10. 



Dorsum of thorax bicolored 20. 



* For convenience, there are included in these tables a few United 

 States species which are known, or may be found, to range into Mexico 

 somewhat. The descriptions of all such species are included with those 

 of the other northern forms in Part I. 



TRANS. AM. ENT. SOC, XXXIX. (10) 



