Anopheles coustani (L)
Anopheles coustani Laveran, 1900
Type-loc: Madagascar
The larva of An. coustani cannot be distinguished from that of An. ziemanni and An. tenebrosus.
Anopheles coustani (L)
Anopheles coustani (L)
Anopheles coustani (L)
Head
- HEAD: Antennal ornamentation : 1. rare and poorly developed whorls
- HEAD: Interocular space ornamentation : 1. with a tuft of long white scales
- HEAD: Colour of segment 5 of the maxillary palpus : 4. white both at the base and apex ; 5. entirely white
- HEAD: Look of the maxillary palpus scales : 2. ruffled scales at the base (segment 2)
- HEAD: Number of white rings on the maxillary palpus : 3. 3 rings
- HEAD: Antennal seta 1-A : 1. about the middle of the antenna
- HEAD: Number of branches of the antenna seta 1-A : 3. more than 5 branches
- HEAD: Distance between the clypeal setae 2-C : 1. shorter than the space between 2-C and 3-C
- HEAD: Form of seta 3-C : 4. bushlike branched
- HEAD: Form of seta 4-C : ?
- HEAD: Form of seta 5-C : 2. plumose
- HEAD: Number of branches of the seta 8-C : 4. 6 or more branches
- HEAD: Number of branches of the seta 9-C : 4. 5 branches or more
- HEAD: Form of seta 2-C : 1. simple and smooth
Thorax
- THORAX: Covering of the scutum : 1. with setae only ; 2. with piliform scales
- THORAX: Scutum's ornamentation - An : 1. unicolor
- THORAX: Shape of the insertion of seta 1-P : ?
- THORAX: Shape of the seta 3-T : ?
- THORAX: Number of branches of the setae 9-M & 10-M : ?
- THORAX: Number of branches of the setae 9-T & 10-T : ?
- THORAX: Shape of the seta 1-P : ?
Wings
- WING: Number of pale marks on the costal margin : 2. with 1 spot ; 3. with 2 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 : 4. with a wide apical ring
- LEG III: Colour of tarsomere 3 : 3. with a wide apical ring
- LEG III: Colour of tarsomere 4 - An : 5. entirely white
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 : ?
- ABDOMEN: Number of accesory plates on segment V : 2. 1 plate present
- ABDOMEN: Number of branches of the seta 2-V : ?
- ABDOMEN: Number of branches of the seta 6-IV : ?