SPECIES OV CULEX AND ALLIED GENERA. 



243 



5. 

 3. 

 4. 

 scales bi'pad ; 

 ... MuciDUS, p. 246. 

 wing scales narrow ; 



OCHLEROTATDS, p 246. 



Banksinella, p. 243. 



OCHLEROTATUS, p. 246. 



Tahle of Females, 



(Species of the Aedes group, (not included in this table), though obscure-looking, 



nearly always have a flat-scaled head), 



1. Fore and mid ungues toothed ... ... .... 



All ungues simple 



2. Hind ungues toothed ... 



„ „ simple 



3. Palpi more than half length of proboscis ; win 



legs shaggy ... 

 Palpi less than half length of proboscis 

 legs not shaggy 



4. Thorax bright yellow at the sides 



„ not bright yellow at sides 



5. Distinctly yellow species ; legs largely yellow Tabnioehynchus, p. 251, 

 Not yellow species ... ... ... ... ... ... ... 6. 



6. Wing-scales all very broad (conjpare also Aedeomyia) 



Mansonioides, p. 253. 

 „ mostly narrow ... ... ... ... ... .. 7. 



7. Head mostly covered with flat scales (as in Stegomyia, etc ) 



LUDLOWIA, p. 244. 

 ,, „ „ ,, narrow curved scales ... ... ... 8. 



8. Head with a row of small flat scales round the eye-margins 



CULICIOMTIA, p. 254. 

 Head without flat scales on the occiput ... ... ... ... 9. 



9. Last two joints of hind tarsi white Ludlowia (Megaculex), p. 244. 



,, „ ,, not white ... ... ... ... 10. 



10. Large to medium-sized species ; femora and tibiae with pale spots 11. 

 Femora and tibiae not spotted ... ... ... ... ... 13, 



11. Thorax with distinct narrow white. Jines ; a pale ring before tips 



of femora ... ... ... ... .,. Theo. spathipalpis, p. 251. 



Thorax without white lines ... ... ... ... ... ... 12. 



12. Thorax with the anterior two-thirds, or at least the middle third, 



with pale scales ... ... ... ... C. quasigelidus, p. 258. 



Thorax not so marked ; spots on legs more numerous C. tigripes, p. 261. 



13. Thorax with the anterior two-thirds bearing pale scales ... ... 14. 



„ almost uniformly scaled ... ... ... ... ... 16. 



14. Violet-blackish species ... ... ... Taen. metallicus, p. 252. 



Not violet-blackish species ... ... ... ... ... ... 15. 



15. Abdominal segments with pale median basal spots C. annulioris, p. 259. 



,, without such spots ... ... ... C. consimilis, p. 259. 



16. A well-defined margin of white scales to eyes ; small grey species, 



with small whitish basal spots on abdominal segments 



Prot. fuscum, p 

 No well-defined rim of white scales to eyes (except sometimes in 

 C. Grahami) ... ... ■ 



17. Large species, joints of tarsi basally banded Theo. annulata, p. 251 

 Medium-sized or small species, tarsi not banded, or rarely with 



basal a.nd apical bands ... ... ... ... Culex, p. 256 



244. 



17. 



