TABLES OF WYEOMYIA 55 



45. Scales on the forks of the second vein alike throughout, uniform 46 



These scales unlike, those on the basal half narrow, ligulate, those on the 



apical half broad and short 47 



46. Scales on the forks of the second vein short, broad, obliquely subtruncate 



symmachus Dyar & Knab (p. 142) 

 These scales long, narrow, ovate chalcocephala Dyar & Knab (p. 145) 



47. Mid tarsi of the female with the tip of the second, the third and fourth joints 



white below chresta Dyar & Knab (p. 139) 



Mid tarsi of the female with the fourth joint white below; male with the third 



and fourth joints white below ahrachys Dyar & Knab (p. 141) 



48. Hind tarsi in both sexes with basal two-thirds of fourth and fifth joints white 



beneath, a small white spot at base of third joint 



simmsi Dyar & Knab (p. 146) 

 Male with all the joints of the hind tarsi white-marked at base below (fe- 

 male unknown) leucopisthepus Dyar & Knab (p. 148) 



49. Proboscis short and stout 50 



Proboscis long and slender 53 



50. Mid and hind tarsi white-marked in the female 



phroso Howard, Dyar & Knab (p. 149) 



Last two hind tarsal joints only white-marked in the female 51 



Hind feet all dark in the female, all the tarsi dark; male with the front and 



mid legs white-marked 52 



51. White of the hind tarsi interrupted at the apex of the fourth joint in the 



female; male unknown baria Dyar & Knab (p. 154) 



White of the hind tarsi continuous in the female, pantoia Dyar & Knab (p. 123) 



52. Mid tarsi of male encircled by white circumcincta Dyar & Knab (p. 150) 



Mid tarsi, bright brassy, almost white beneath 



cwnonus Howard, Dyar & Knab (p. 153) 



53. Mid tarsi of the female marked with white 54 



Mid tarsi of the female entirely dark scotinomus Dyar & Knab (p. 157) 



54. Mid tarsi white beneath at apex of second and all of third and fourth joints; 



hind tarsi dark; male unknown celcrnocephala Dyar & Knab (p. 155) 



Mid tarsi with the fourth joint white beneath; hind tarsi with base of second 

 and third and all but the tips of fourth and fifth joints white beneath; 

 male unknown liapla Dyar & Knab (p. 156) 



The following species are not included : Wyeomyia grayii Theobald, of which 

 the description is insuflficient and the type in poor condition, and Wyeomyia 

 hemisagnosta Dyar & Knab, of which the larva only is known. 



Male Genitalia (Limatus, Wyeomyia, and Sabethinus). 



1. Side-pieces short with broad tips excavated for the insertion of the clasp- 



filament (^- ^"^^^^^ Theobald (p. 44) 



'\L. cacophrades Dyar & Knab (p. 47) 

 Side-pieces not so constructed 2 



2. Clasp-filament with four lobes, the basal one long, slender and simple, the 



inner lobe broad with a row of spines. . /J- !*^o/ Coquillett (p 34) 



\S. tdenticus Dyar & Knab (p. 36) 

 Clasp-filament not so constructed , . . 3 



3. Clasp-filament greatly reduced, the side-pieces produced at the outer angle. . 4 

 Clasp-filament somewhat reduced, supplemented by a long basal lobe bearing 



an appendage 6 



Clasp-filament well developed without additional structure 8 



4. Outer angle of side-piece produced into a long arcuate process longer than 



the basal portion 5 



Outer angle of side-piece shortly produced with thick spines 



W. autocratica Dyar & Knab (p. 117) 



5. Outer production of side-piece curved. . .W. circumcincta Dyar & Knab (p. 152) 

 Outer production of side-piece straight 



W. coenonus Howard, Dyar & Knab (p. 154) 



6. Lobe from base of side-piece bearing two long coarse hairs 7 



Lobe from side-piece bearing an angled expanded filament 



rw. cacodela Dyar & Knab (p. 130) 

 ] W. onidus Dyar & Knab (p. 126) 

 [W. pantoia Dyar & Knab (p. 124) 



7. This lobe near base; hairs long W. pseudopecten Dyar & Knab (p. 120) 



This lobe subapical; hairs shorter W. eloisa Howard, Dyar & Knab (p. 122) 



