Aedes excrucians (F)
Aedes excrucians (Walker, 1856)
Type-loc: Canada
To differentiate from Aedes annulipes, Aedes euedes and Aedes surcoufi examination of tarsal claw P1 is necessary. Tarsal claw spines are almost parallel in Aedes excrucians.
Aedes excrucians (F)
Aedes excrucians (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 : 2. pale in the median area
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 : 1. scale patch present ; 2. scale patch absent
- THORAX: Postprocoxal area's ornamentation : ?
- THORAX: Prealar area's ornamentation - Ae : 3. with 1 pale scale patch
Wings
- WING: General ornamentation of the wing : 8. mixture of pale and dark scales on veins
- 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 : 5. between 4,6 - 5 mm ; 6. longer than 5 mm
Legs
- LEG III: Length of the basal ring of tarsomere 2 : 2. >= half of the tarsomere length
- LEG I: Tarsal claw's shape : 2. spines almost parallel, the first are sharply curved
- LEG III: Colour of tarsomere 2 - Ae : 2. white at the base
- 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 : 6. scatered with pale scales
- LEG III: Colour of tarsomere 5 : 2. two coloured
- 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 ; 2. medianly thinned ; 3. medianly broken
- ABDOMEN: Ornamentation of tergite IV : 10. pale basal band, dark sprinkled area
- ABDOMEN: Ornametation of tergite III : 2. with a basal pale band ; 4. with an apical pale band
Distribution
- SAMPLING AREA: West of Western Palaearctic Region : Austria ; Bulgaria ; Croatia ; Czech Republic ; Denmark ; Estonia ; Finland ; Germany ; Hungary ; Kaleningrad ; Latvia ; Lithuania ; Netherlands ; Norway ; Poland ; Romania ; Serbia ; Slovakia ; Slovenia ; Sweden ; Switzerland
- SAMPLING AREA: East of Western Palaearctic Region : Belarus ; Crimean Peninsula ; Georgia ; Moldova ; Russia - Northwestern ; Russia - Western - Central ; Russia - Western - Volga ; Russia - Southwestern ; Turkey ; Ukraine
- SAMPLING AREA: South of Western Palaearctic Region : non décrit