Aedes rossicus (L)
Aedes rossicus Dolbeskin, Gorickaja & Mitrofanova, 1930
Type-loc: Russia
In the Cinereus group, it is difficult to differentiate this species from Ae. cinereus and Ae. geminus. Antennal seta inserted in the middle of the antenna lengh and siphonal index from 4.2 to 4.7 are diagnostic.
Aedes rossicus (L)
Aedes esoensis rossicus (L)
- Developmental stage : 2. larva
- ABDOMEN: Presence of an acu on the base of the siphon : 2. acu present
Head
- HEAD: Colour of maxillary palpus : 1. entirely dark ; 3. with mixed dark and pale scales
- HEAD: Colour of proboscis : 1. entirely dark
- HEAD: Ornamentation of the antennal integument _ Ae : 2. distinctly spiculate
- HEAD: Location of the antennal seta 1-A : 1. on the basal half
- HEAD: Number of branches on the antennal seta 1-A : 3. 3 branches or more
- HEAD; Branch number of seta 6-C : 3. 3 branches or more
Thorax
- THORAX: Prespiracular and postspiracular setae : 3. prespiracular setae absent postspiracular setae present - Aedes
- THORAX: Colour of the scutum scales : 1. yellow only
- THORAX: Scutum's ornamentation : 1. without well-marked patterns
- THORAX: Metameron's ornamentation : 2. scale patch absent
- THORAX: Postprocoxal area's ornamentation : ?
- THORAX: Prealar area's ornamentation - Ae : 3. with 1 pale scale patch
- THORAX: Ornamentation of the insertion point of setae 11-M and 11-T : 1. insertion near a small tooth
Wings
- WING: Colour of the scales on the wing veins : 1. dark scales only
- 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
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 tibia : 1. entirely dark
Abdomen
- ABDOMEN: Ornamentation of tergite IV : 1. covered with dark scales
- ABDOMEN: Ornametation of tergite III : 1. entirely dark
- ABDOMEN: Respiratory aperture - Siphon : 2. opening at the apex of a cylindrical tube - siphon
- ABDOMEN: Siphonal tufts : 3. one pair of siphonal tuft inserted close to the middle or near the apex of the siphon - Aedes
- ABDOMEN: Abdominal plates : 1. abdominal plates absent
- ABDOMEN: Aspect of the setae other than 1-IV to 1-VII : ?
- ABDOMEN: Shape of the saddle : 3. open
- ABDOMEN: Ornamentation of the apicodistal side of segment X : 1. without spicules
- ABDOMEN: Shape of seta 9-S : ?
- ABDOMEN: Size of the siphon : 2. medium ; 3. long
- ABDOMEN: Shape of comb teeth on segment VIII : 1. median tooth clearly longer
- ABDOMEN: Aspect of the pecten teeth : 2. spine - like
- ABDOMEN: Arrangement of the pecten teeth on the siphon : 2. with 1 to 3 clearly isolated teeth
- ABDOMEN: Comb teeth number : 1. 5-8 ; 2. 9-12 ; 3. 13-16
- ABDOMEN: Anal gill's size and shape : 2. short and lanceolate ; 3. equal to or longer than the saddle length
- ABDOMEN: Precratal setae number : 2. 2 ; 3. 3 ; 4. 4
- ABDOMEN: Insertion of the last pecten tooth : ?
- ABDOMEN: Arrangement of the comb teeth : 2. in a triangular patch
- ABDOMEN: Insertion of the seta 1-S : 1. before the last pecten tooth
Distribution
- SAMPLING AREA: West of Western Palaearctic Region : Austria ; Croatia ; Czech Republic ; France ; Germany ; Hungary ; Norway ; Poland ; Romania ; Serbia ; Slovakia ; Sweden
- SAMPLING AREA: East of Western Palaearctic Region : Belarus ; Russia - Northwestern ; Russia - Western - Volga ; Russia - Southwestern
- SAMPLING AREA: South of Western Palaearctic Region : non décrit