DEINOCERITES CANCER 201 



3. Cerci elongate, slender; antennae of the male with the last joint short and 



enlarged cancer Theobald (p. 201) 



Cerci stouter, tip conical; antennae of the male with the last joint slender, 



resembling the penultimate 4 



4. Spines of cerci nearly as long as the cercus. melanophylum Dyar & Knab (p. 207) 

 Spines of cerci about one-half as long as the cercus 



tetraspathus Dyar & Knab (p. 209) 



MALE GENITALIA, DINOMIMETES, DEINOCERITES AND DINANAMESUS. 



1. The two terminal claws of clasp-filament equal 2 



One of the terminal claws of clasp-filament smaller 4 



2. Teeth of harpe 14 to 16 in number 3 



Teeth of harpe about 20 in number 



Deinocerites melanophylum Dyar & Knab (p. 209) 



3. Outer lobe of harpago short and stout, three or four times as long as broad 



Deinocerites troglodytus Dyar & Knab (p. 207) 

 Outer lobe of harpago five or six times as long as broad 



Deinocerites cancer Theobald (p. 204) 



4. Unci simple, pointed, conical Dinanamesus spanius Dyar & Knab (p. 215) 



Unci joined to form a broadly truncated basal cone 5 



5. Outer division of harpago rather short, not exceeding lateral appendage of 



side-piece Deinocerites pseudes Dyar & Knab (p. 211) 



Outer division of harpago long, exceeding lateral appendage of side-piece 



Dinomimetes epitedeus Knab (p. 198) 



The species Deinocerites tetraspathus is not included, as we have no male 

 specimen. 



LARV^ (dinomimetes AND DEINOCERITES). 



1. Lower head-hair double Deinocerites cancer Theobald (p. 204) 



Lower head-hair single 2 



2. Anal gills over twice as long as wide Dinomimetes epitedeus Knab (p. 198) 



Anal gills very short, not as long as wide 3 



3. Lateral hair of anal segment branched; an oblique lateral patch of spines 



Deinocerites pseudes Dyar & Knab (p. 212) 

 Lateral hair of anal segment simple 



[Deinocerites melanophylum Dyar & Knab (p. 209) 

 \Deinocerites troglodytus Dyar & Knab (p. 207) 



The species Deinocerites tetraspathus and Dinanamesus spanius are omitted, 

 as we have no larvae of these species. 



DEINOCERITES CANCER Theobald. 



Deinocerites cancer Theobald, Mon. Culic, ii, 215, 1901. 



Brachiomyia magna Theobald, Mon. Culic, ii, 344, 1901. 



Deinocerites cancer Theobald, Mon. Culic, ii, 356, 1901. 



Deinokerides cancer Giles, Gnats or Mosq., 2 ed., 472, 1902. 



Brachiomyia magna Giles, Gnats or Mosq., 2 ed., 474, 1902. 



Deinocerites cancer Theobald, Mon. Culic, iii, 276, 1903. 



Deinocerites cancer Wesche, Journ. Roy. Micros. Soc, 35, 1904. 



Deinocerites cancer Pazos, Bull. Soc. Ent. France, 1904, 135, 1904. 



Deinocerites cancer Dyar, Journ. N. Y. Ent. Soc, xiii, 27, 53, 108, 1905. 



Dinocerites cancer Blanchard, Les Moustiques, 414, 1905. 



Dinocerites magnus Blanchard, Les Moustiques, 414, 1905. 



Deinocerites cancer Theobald, Gen. Ins., Dipt., fasc. 26, 37, 1905. 



Deinocerites magna Theobald, Gen. Ins., Dipt., fasc. 26, 37, 1905. 



Deinocerites cancer Dyar, Proc Ent. Soc. Wash., vii, 49, 1905. 



Deinocerites cancer Felt, N. Y. State Mus., Bull. 97, 491, 1905. 



Deinocerites cancer Theobald & Grabham, Mosq. or Culic. Jamaica, 35, 1905. 



Deinocerites cancer Dyar & Knab, Journ. N. Y. Ent. Soc, xiv, 188, 1906. 



Deinocerites cancer Mitchell, Psyche, xiii, 19, 1906. 



Deinocerites cancer Knab (in part). Psyche, xiii, 95, 131, 1906. 



Deinocerites cancer Coquillett, U. S. Dept. Agr., Bur. Ent., Tech. Ser. 11, 26, 1906. 



Deinocerites cancer Dyar, U. S. Dept. Agr., Bur. Ent., Circular 72, 3, 1906. 



Deinocerites cancer Pazos, San. y Ben., ii, 50, 563, 1909. 



Deinocerites cancer Dyar & Knab, Smiths. Misc. Colls., quart, iss., Iii, 261, fig. 56, 1909. 



Deinocerites cancer Theobald. Mon. Culic, v, 553, 1910. 



