Anopheles dthali (L)
Anopheles dthali (Patton, 1905)
Type-loc: West Aden Protectorate
The An. dthali larva is close to that of An. sergentii but it differs by its simple or very slightly aciculate setae 10-M. The saddle of the segment X is furthermore very little spiculate on its distal edge.
Anopheles dthali (L)
Anopheles dthali (F)
Head
- HEAD: antennal ornamentation : 1. rare and poorly developped whorls
- HEAD: interocular space ornamentation : 1. with a tuft of long white scales
- HEAD: colour of segment 5 of the maxillary palpus : 1. entirely dark ; 3. white only at the apex
- HEAD: look of the maxillary palpus scales : 1. plastered scales, smooth palp all along
- HEAD: number of white rings on the maxillary palpus : 2. 2 rings ; 3. 3 rings
- HEAD: Antennal seta 1-A : 2. at the apex of the basal third
- HEAD: Number of branches of the antenna seta 1-A : 1. simple
- HEAD: Distance between the clypeal setae 2-C : 2. longer than the space between 2-C and 3-C
- HEAD: form of seta 3-C : 1. simple and smooth
- HEAD: form of seta 4-C : 1. smooth
- HEAD: form of seta 5-C : 2. plumose
- HEAD: Number of branches of the seta 8-C : 1. 1 branch
- HEAD: Number of branches of the seta 9-C : 3. 3 to 4 branches ; 4. 5 branches or more
- HEAD: form of seta 2-C : 1. simple and smooth
Thorax
- THORAX: covering of the scutum : 3. with broad scales
- THORAX: scutums ornamentation - An : 1. unicolor
- THORAX: Shape of the insertion of seta 1-P : 1. on a sclerotized tubercle
- THORAX: Shape of the seta 3-T : 1. palmate
- THORAX: Number of branches of the setae 9-M & 10-M : 1. seta 9-M= 1; seta 10-M=1 ; 2. seta 9-M= 2-3; seta 10-M= 1
- THORAX: Number of branches of the setae 9-T & 10-T : 2. seta 9-T= 2-3; seta 10-T= 1 ; 3. seta 9-T= 4-5; seta 10-T= 1 ; 4. seta 9-T= >=6; seta 10-T= 1 ; 5. seta 9-T= >=6; seta 10-T= 2-5
- THORAX: Shape of the seta 1-P : 1. plumose
Wings
- WING: number of pale marks on the costal margin : 4. with 3 spots ; 5. with 4 spots
- WING: arrangement of the pale spots on the fringe : 1) without spot
Legs
- LEG III: colour of the median part of tibia and femur : 1. homogenous dark colour
- LEG III: colour of tarsomere 2 : 1. entirely dark
- LEG III: colour of tarsomere 3 : 1. entirely dark
- LEG III: colour of tarsomere 4 - An : 1. entirely dark
Abdomen
- ABDOMEN: Ornamentation of the tergites : 3. with only seta
- ABDOMEN: Respiratory aperture - Siphon : 1. directly opening on the segment VIII - Anopheles genus
- ABDOMEN: Leaflets apex of the palmate hair on the segments IV and V : 2. terminal filament clearly developed
- ABDOMEN: Distribution of palmate hairs : 1. segments I to VII
- ABDOMEN: Number of accesory plates on segment V : 2. 1 plate present ; 3. 3 plates present
- ABDOMEN: Number of branches of the seta 2-V : 1. 1 branch
- ABDOMEN: Number of branches of the seta 6-IV : 2. 3 branches ; 3. 4 branches ; 4. 5 branches