148 A Monograph of Culicidae. 



j8. Hind legs only densely scaled 



Genus 1 Janthinosoma. Arribal- 



zaga. 



£/3. All the legs more or less densely scaled. 



Wings scales rather thin ...Genus 2 Psorophora. Robineau- 



Desvoidy. 

 Wings scales large inflated, parti- 

 coloured. Body and head with 



very long twisted scales ...Genus 3 Mucidus. Theobald. 

 aa. Head clothed with flat scales. Scutel- 

 lum with flat scales. 

 Wings with dense scales apically. 

 Hind legs of 6 with scaly paddles 



Genus 4 Eretmapodites. Theobald. 

 B. Legs normal, no irregular scales. 



a. Head clothed with flat and upright 



forked scales only. 

 j8. Scutellum with flat scales. 



Some flat scales on the mesonotum 



before scutellum Genus 5 Quasistegomyia. Theobald. 



No flat scales on mesonotum. 

 Male palpi long, thin, nude and 



acuminate. Large Genus 6 Desvoidya. Theobald. 



Male palpi thin, acuminate or 



clavate, hairy. Small Genus 7 Stegomyia. Theobald. 



0j8. Scutellum with narrow-curved scales 



Palpi of 6 acuminate Genus 8 Pseudoskusea. Theobald. 



Palpi of 6 clavate ...Genus 9 Ludlowia. n. g. 



■aa. Head clothed with mostly flat scales 

 but also with small areas of narrow- 

 curved scales and upright forked ones. 

 y. Scutellum with all flat scales. 

 8. Palpi of 9 very short. 



Head with median row of nar- 

 row-curved scales Genus 10 Scutomyia. Theobald. 

 Head with narrow - curved 



scales behind Genus 11 iEDiMORPHUS. Theobald. 



85. Palpi of 9 half length of pro- 

 boscis. 

 Head with flat scales except 

 for some spindle-shaped ones 



around the eyes ...Genus 12 Leicesteria. Theobald. 

 ■yy. Scutellum with flat scales to mid 

 lobe, narrow-curved ones to lateral 

 lobes. 



Head with flat scales, narrow- 

 curved ones in median area 



Genus 13 Macleaya. Theobald. 

 Head with all flat scales except 



for a median basal area 



Genus 14 Carrollia. Lutz. 



