Aedes impiger (F)
Aedes impiger (Walker, 1848)
Type-loc: Canada
Tarsal claw spile sharply curved. Impossible to differentiate from Aedes nigripes.
Aedes impiger (F)
Aedes impiger (F)
Head
- HEAD - THORAX: Anopheles or not : 1. maxillary palpus clearly shorter than proboscis ; 3. scutellum clearly trilobate
- HEAD: colour of maxillary palpus : 3. with mixed dark and pale scales
- HEAD: colour of proboscis : 1. entirely dark
Thorax
- THORAX: Prespiracular and postspiracular setae : 3. prespiracular setae absent postspiracular setae present - Aedes
- THORAX: colour of the scutum scales : 2. yellow and cream or white
- THORAX: scutum's ornamentation : 1. without well-marked patterns
- THORAX: metameron's ornamentation : ?
- THORAX: postprocoxal area's ornamentation : ?
- THORAX: prealar areas ornamentation - Ae : 3. with 1 pale scale patch
Wings
- WING: general ornamentation of the wing : 5. with pale spots only on the costal margin
- WING: colour of the scales on the wing veins : 1. dark scales only ; 2. pale scales only along the costal margin
- WING: number of pale marks on the costal margin : 1. without spots
- WING: Uranotaenia or not : 2. apex of anal vein ends after mcu/cuA fork ; 4. length of the R2+R3 vein is shorter than R2/R3
- WING: ornamentation of the base (alula) : 1. with a fringe of scales
- WING: wing length from insertion to apex : 3. between 3,6 - 4 mm ; 4. between 4,1 - 4,5 mm ; 5. between 4,6 - 5 mm
- WING: arrangement of the pale spots on the fringe : 1) without spot
Legs
- LEG III: colour of tarsomere 2 - Ae : 1. entirely dark
- LEG I: Orthopodomyia or not : 2. tarsomere 4 is equal or longer than tarsomere 5 ; 4. length of tarsomere 1 is shorter than tarsomere 2 through 5
- LEG III: colour of tarsomere 1 : 1. entirely dark, at most with a small apical ring ; 6. scatered with pale scales
- LEG III: colour of tarsomere 5 : 1. entirely dark
- LEG III: colour of tibia : 7. specled, in the median area at least
Abdomen
- ABDOMEN: colour of the scales on the tergite : 5. with creamy white and dark scales
- ABDOMEN: Shape of the pale basal band of tergite IV : 1. with an even widh
- ABDOMEN: ornamentation of tergite IV : 2. only lateral pale scales ; 3. a basal pale band and lateral patches
- ABDOMEN: Ornametation of tergite III : 2. with a basal pale band ; 4. with an apical pale band