Vol. Xxiv] ENTOMOLOGICAL NEWS. 67 



1. An extremely large, brownish black species. Legs 



fringed with erect black scales, 



Psorophora ciliata Fabr. 



2. A very large species with very scaly wings, the sides 



of the thorax and bands of abdomen andl feet 

 white Aedes sylvicola Gross. 



3. Wings thickly clothed with mixed yellow and brown 



scales. Thorax with broad, brown central stripe. 

 First tarsal segment of anterior legs not banded, 



Aedes Htchii Felt 



4. A small dark species with lightly scaled wings ; the 



white bands of the feet narrow; those of the ab- 

 domen nearly divided in the centre, 



Aedes sylvestris Theob. 



5. A small brown species with the hind tarsi wholly 



white Aedes niveitarsis Coq. 



6. A good-sized brown species, with the bandings yel- 



lowish rather than white, those on abdominal seg- 

 ments only a little or not at all notched at the mid- 

 dle; breeds on salt marshes only, 



Aedes cantator Coq. 



7. Very like the preceding; but the bands of the ab- 



domen and feet are broader and somewhat lighter 

 in color. Breeds only in fresh water areas, 



Aedes subcantans Felt 



8. Very like the two preceding; but thorax has a central 



brown stripe Aedes ahfitchii Felt 



b. The joints of the hind feet at least are white-banded or 



ringed at both base and tip; while last joint of hind 

 tarsi is usually entirely white. 



1. A good-sized brown species, the thorax without lines 



or marks, bands of tarsal joints broad, 



Aedes canadensis Theob. 



2. A small blackish species, with top of thorax covered 



with gray hair and a dark line down its centre; 

 bands on tarsi are narrow and white, 



Aedes atro palpus Coq. 



3. A medium-sized species, easily recognized by the 



peculiar golden streaked appearance of thorax, 



Aedes dyari Coq. 



c. All of last two tarsal joints and apex of middle joint 



white. 



I. A large or medium sized species, black with deep 

 purple reflections Aedes sayi D. & K. 



