4 Mr. R. E. Turner on 



Galea less than twice as long as the scape, 

 often shorter than the scape 19. 



17. All the tibine and tarsi fulvo-ferru- 



phious T. hamiltojii, Turn. 



At least tlie intermediate and hind tibite 



and tarsi black 18. 



18. Fore tibiie and tarsi ferruginous T. presstnhilis, Turn. 



Fore tibife and tarsi black T. lahilis, Turn. 



19. Tibi.'B and tarsi wholly bright fulvo- 



ferrus"inous 20, 



Tibife and at least a portion of the tarsi 

 black ; the tibioe rarely f usco-ferru- 

 ginous at the base 27. 



20. Galea about half as long again as the 



scape 21 . 



Galea no longer than the scape 22. 



21. Seventh tergite truncate at the apex; 



basal joint of the fore tarsus ■with sLt 



spines T. separcdiilis, Turn. 



Seventh tergite rounded at the apex ; 

 basal joint of the fore tarsus with four 

 or five spines T. irritabilis, Turn. 



22. Eighth sternite truncate, the apical 



angles not produced ; eyes very close 

 together on the vertex, separated 

 by a distance about equal to the 

 length of the first joint of the fla- 



gellum 23. 



Eighth sternite more or less emarginate 

 or bisinuate at the apex ; eyes sepa- 

 rated on the vertex by a distance 

 equal to at least twice the length of 

 the first joint of the flagellum 24. 



23. Second sternite with the apical half 



shining, with coarse scattered punc- 

 tures ; pubescence of mesonotum ful- 

 vous and dense, without underlying 

 golden pubescence ; abdominal fasciae 



silver-grey T. tesfaceinerva, Cam. 



Second sternite closely and minutely 

 punctured ; pubescence of mesonotum 

 golden-grey, with underlying golden 

 pubescence ; abdominal fasciae golden- 

 prey T. tomentosa, Kohl. 



24. Eighth sternite bisinuate at the apex, 



the apical angles not produced T. nssociatci, Turn. 



Eighth sternite emarginate, the angles 

 produced 25. 



25. Eyes separated on the vertex by a distance 



equal to the combined length of the 

 second and third joints of the tlagel- 



liini T. Kf/andensis, Turn. 



Eyes separated on the vertex by a dis- 

 tance less than or only slightly greater 

 than the length of the second joint of 

 the flagellum 26. 



