222 MOSQUITOES OF NORTH AMERICA 



35. Mesonotum dark brown, the scales coppery. . . . revelator Dyar & Knab (p. 274) 

 Mesonotum light brown, the scales golden brown 



proclamator Dyar & Knab (p. 279) 



36. Abdomen with apical white segmental bands or spots 37 



Abdomen without apical bands, the markings, if present, basal 38 



37. Abdominal bands transverse, uniform territans Walker (p. 293) 



Abdominal bands expanded laterally forming a line 



sphinx Howard, Dyar & Knab (p. 301) 

 Abdominal bands absent, lateral spots present. . derivator Dyar & Knab (p. 290) 



38. Mesonotum with a lateral black ocellate spot ocellatus Theobald (p. 446) 



Mesonotum not so marked 39 



39. Palpi of the male very short 40 



Palpi of the male half as long as the proboscis. . latisquama Coquillett (p. 303) 

 Palpi of the male as long or longer than the proboscis 41 



40. Abdomen with lateral white spots Mstilcatus Coquillett (p. 306) 



Abdomen immaculate, blackish dorsally. ( ^^il'f Jr/T^^?r/ # Jh fn %<^f^^ 



' ^ \corrigam Dyar & Knab (p. 3S6) 



41. Thorax golden before 42 



Thorax not golden before 44 



42. Scales of the wings narrow chrysonotum Dyar & Knab (p. 310) 



Scales of the wings broad 43 



43. Anterior half of the thorax golden uniformly spissipes Theobald (p. 312) 



Anterior golden area containing two large, brown-scaled spots 



fur Dyar & Knab (p. 314) 



44. Thorax red; abdomen with dusky indistinct bands, erythrothorax Dyar (p. 315) 

 Thorax darkly colored, not light red 45 



45. Proboscis of the female slender, not distinctly swollen at the tip 46 



Proboscis of the female stout, distinctly swollen at tip 67 



46. Abdomen unhanded dorsally 47 



Abdomen more or less distinctly white-banded dorsally 56 



47. Scales on forks of second vein narrow, linear or ligulate 48 



Scales on forks of second vein broad and ovate 51 



48. Abdomen with the venter dull whitish, obscurely banded 



extricator Dyar & Knab (p. 325) 



Abdomen with the venter distinctly black and white banded 49 



Abdomen entirely white beneath 54 



49. Abdomen dull black above 50 



Abdomen with coppery luster trachycampa Dyar & Knab (p. 329) 



50. Thoracic vestiture brownish black invocator Dyar & Knab (p. 323) 



Thoracic vestiture reddish brown equivocator Dyar & Knab (p. 327) 



51. Scales on occiput narrow, curved 52 



Scales on occiput broad, flat 53 



52. Venter gray, not distinctly banded melanurus Coquillett (p. 453) 



Venter black and white banded delys Howard, Dyar & Knab (p. 317) 



53. Venter mostly pale, last segment only dark at tip. peccator Dyar & Knab (p. 318) 

 Venter black with narrow pale basal segmental bands (separable by the 



J prpnitaiia^ fhesitator Dyar & Knab (p. 319) 



o ^ " '-'^ '^^ \apateticus Howard, Dyar & Knab (p. 321) 



54. Abdomen dull black above 55 



Abdomen with coppery luster restrictor Dyar & Knab (p. 331) 



55. Lateral spots of abdomen not visible from above. . salinarius Coquillett (p. 373) 

 Lateral spots visible from above similis Theobald (p. 339) 



56. Band at base of second abdominal segment triangular or triangularly pro- 



duced 57 



This band transverse, not mesially produced 63 



57. Proboscis white-marked below 58 



Proboscis not white-marked below 59 



58. Proboscis black at the tip; thorax adorned 



lactator Dyar & Knab (see corniger, p. 240) 

 Proboscis white at tip; thorax unadorned.... revocator Dyar & Knab (p. 344) 



59. Basal abdominal bands joined to the lateral spots 60 



Basal abdominal bands separated from the lateral spots 62 



60. Wing-scales broader; abdomen black-banded below 



abominator Dyar & Knab (p. 378) 

 Wing-scales linear; abdomen unhanded below 61 



