Aedes geminus (L)
Aedes geminus (Peus, 1970)
Type-loc: Germany
In the Cinereus group, it is impossible to differentiate this species from Ae. cinereus and difficult from Ae. esoensis rossicus. Antennal seta inserted at the 2/5 of the antenna lengh; siphonal index from 3.4 to 4.1.
Aedes geminus (L)
Aedes geminus (F)
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: Localization 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 areas ornamentation - Ae : 2. with at most 1 or 2 pale scales
- 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 : 1. short and slightly curved
- ABDOMEN: Size of the siphon : 2. medium
- 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 : 3. 13-16
- ABDOMEN: Anal gill's size and shape : 3. equal to or longer than the saddle length
- ABDOMEN: Precratal setae number : 4. 4
- ABDOMEN: Insertion of the last pecten tooth : 3. beyond the siphon's middle part
- ABDOMEN: Arrangement of the comb teeth : 2. in a triangular patch
- ABDOMEN: Insertion of the seta 1-S : 1. before the last pecten tooth