AMERICAN LKriJJOrXERA. 821 



31. Hind tibife of % with hair pencil 57. Aef lialoptora. 



Hind til)ite of % witliout hair pencil .')!(. l^ctropiN. 



32. Hind tibia- of % with hair pencil li.i. 



Hind tibiaj of % without hair pencil i;!. l*liilobia. 



33. Antennse of % dentate It. M»<*ariu. 



Antennie of % not dentate ;{1. 



34. Antenna' of % tiattened. naked ,!.-,. 



AiitenniB of % filiform ciliate l:i. !Sciaj;ra|»liia. 



35. Tliorax hairy ijO. l<:iiy|>ia. 



Thorax scaly 9. Ciiieiieria. 



36. Antenna' of % bipectinate 37. 



Antennae of % not bipectinate 89. 



37. Win<rs of 9 partly obsolete 38. 



Winfis of 9 developed .39. 



38. Segments of abdomen spined 65. KapliididoiiiaM. 



Segments of abdomen not s])ined (i4. .Ipoclioiiiia. 



39. Antennie of % doubly bipectinate 83. Kipiila. 



Antenna' of % not doubly bijiectinate , 40. 



40. Hind wings of %, with subcostal fovea below at base 41. 



Hind wings of "J, without subcostal fovea below at base 44. 



41. Palpi long, beak like 25. €atO|»yrrlia. 



Palpi moderate or short jo 



42. Abdomen of % with lateral tuft 42. S|»4»<l<»|»tcra. 



Abdomen of %, without lateral tuft 43. 



43. Hind wings of % with fold on inner margin above near base. . .41. Ixala. 

 Hind wings of % without fold 10. I>eiliiiia. 



44. Fore tibiaj clawed 18. KiiaNpilalois. 



Fore tibiie not clawed 45_ 



45. Tongue absent, or very short 46. 



Tongue develoi)ed, at least one-half thorax .54. 



4(). Palpi of % very long, deltoid like 68. Eiicatorva. 



Paljii of % not long, deltoid like 47. 



47. Antennie of % bipectinate to a])ex 48. 



Antennie of % with apex simi)le 53. 



48. Antennie of 9 bipectinate 49. 



Antennie of 9 'X't bipectinate 51. 



49. Thorax hair.v 50. 



Thorax scaly 69. I'liillru'H. 



.50. Abdomen densely hairy, and with dorsal tufts 67. I'lia'onra. 



Abdomen scaly, without dorsal tufts 84. I^UlloniON. 



51. Front and thorax hair.v 50 



Front and thorax scaly 51. Act lialodcM. 



52. Tongue short 7-j. |>ys<*ia. 



Tongue obsolete 50. C.'oiliodeM. 



53. Abdomen and femora deusel.y liairv 61. I.iyc'ia. 



Abdomen and femora scal.v .52. diosiia<l<»(leM. 



54. Antennie of 9 bipectinate 5,^. 



Antennie of 9 "ot bipectinate (jO 



55. All wings 6 and 7 stemmed 2il PlnttKH . 



Fore or hind wings 6 and 7 separate 56. 



TKANS. AM. KNT. SOC. XXIII. (41) SEPTtJMHKK. 1«9« 



