ANOPHELES 



793 



II. Legs with basal pale bands: — 



1. Costa with two large dark spots — gigas Giles. 



2. Two large and two small basal spots — formosus Ludlow. 

 III. Legs with narrow apical bands : — 



Costa dark, with two small pale yellow spots — wellcomei Theo- 

 bald. 



B . Wings unspotted : — 



I. Legs unhanded: — 



1 . Thorax adorned as in Corethra — corethroides Theobald. 



2. Thorax normal ornamentation. 



[a] Second fork cell much more than half the length of the first. 



(1) Palpi unhanded. 



(a) Petiole of first fork cell more than one-third length 



of cell. 



Abdomen with golden hairs — hifurcatus Linnaeus. 

 Abdomen with brown hairs — algeriensis Theobald. 



(b) Petiole of first fork cell one-third length of cell — 



barberi Coquillett. 



(2) Palpi banded. Dark species. Wing scales very dense 



— smithi Theobald. 

 Wing scales not so dense — nigripes Staeger. 

 (&) Second fork cell not more than half the length of the first 

 — aitkenilTheoha,] d . 

 II. Legs banded: — 



1. Hind femora only with broad white band — lindsayi Giles. 



2. Apices of hind tarsi -pale— immaculatus Theobald. 



Myzomyia Blanchard, 1902. 



This Myzomyia includes some important mosquitoes found in West Africa, 

 and in India and Ceylon, which are carriers of malaria. 

 The diagnostic table given by Theobald is as follows : — 



Myzomyia. 



A. Proboscis unhanded: — ■ 

 I . Legs banded : — 



{a) Palpi with three white rings. 



(1) Legs with faint apical pale bands. 

 Wing fringe spotted— funesta Giles. 



(2) Legs with prominent apical pale bands, and a broad, pale, 



median band to fore- and mid-metatarsi^ — lutzi Theobald. 



(3) Legs (hind) with apical and basal pale bands. 



Wings with five to six pale costal spots, the largest T- 



shaped — rossi Giles. 

 Wings with three yellow costal spots — longipalpis Theobald. 

 (6) Palpi with two white rings : — 



(1) Apex white — aconita Donitz. 



(2) Apex black — d'thali Patton. 



[c] Palpi with four white rings — jehafi Patton. 

 2. Legs spotted and banded: — 



{a) Supernumerary cross-vein straight. Palpi with three white 

 bands. Apical and basal pale leg banding. 



(1) Third large costal spot with two spots beneath on first 



vein — ludlowi Theobald. 



(2) Similar, but much smaller — mangy ana Banks. 



(3) Third costal spot T-shaped, as in rossi — indefinata Ludlow. 



(4) Thorax with two ocelli; wings much spotted — tessellata 



Theobald. 



(6) Supernumferary cross-vein markedly curved — pyretoph»roides 

 Theobald. 



