Genus Culicada. 319 



The characters given by Felt will not all hold even in the 

 same species. For instance, " the posterior cross-vein about its 

 own length from the mid cross-vein " is given as a generic 

 character in the female ; in C. cantans, Meigen, it varies to as 

 much as its whole length ; and in the male, again Felt says 

 11 the petiole of the first fork-cell is equal in length to that of the 

 cell " ; it in reality will vary not only in the same species, but in 

 specimens from the same batch of eggs. The type of this genus 

 should be Meigen's cantans, not my Culex canadensis. 



The larvae in this genus have short thick syphons. 



A number of species (24) come in this genus as cantator, 

 Coq., canadensis, Theob., nemorosus, Meigen, morsitans, Theob. r 

 diversus, Theob., annulipes, Meigen, vexans, Meigen, and lutescens,. 

 Fabricius, etc. 



Felt gives the following American species, which belong here r 

 namely, fitchii, Felt, cinereoborealis, Felt, onondagensis, Felt, 

 abserratus, Felt, and lazarensis, Felt. Others he refers to that 

 certainly do not belong here are squamiger, Coq., triseriatus, Say v 

 trivittatus, Coq., atropalpus, Coq., and sollicitans, Walker. 



A complete table of species is given below : — 



a. Legs basally pale banded. 



ft. Abdomen basally pale banded. 

 7. Ungues all uniserrate. 



Thorax golden brown with two 



lateral pale lines most pro- 

 nounced behind abfitchii. Felt.* 



Thorax golden yellow and golden 



brown scales, with traces of spots 



and lines cantans. Meigen. 



Thorax with median dark line, no 



pale scaled area in front of meso- 



notum subcantans. Felt. 



Thorax with broad submedian rich 



brown vittae bordered laterally 



with a broad pale creamy or 



silvery line and a median dark 



line fitchii. Felt. 



Thorax black with pale golden to 



creamy scales, unadorned waterhousei. Theobald. 



77. Hind ungues simple. 



Thorax with reddish brown scales 



unadorned cantator. Coquillett. 



Thorax black with pale golden to 



creamy scales nipponii. n. sp. 



C. siphonalis, Grossbeck, is said to be the same as this species. 



