Culiseta alaskaensis (L)
Culiseta alaskaensis (Ludlow, 1906)
Type-loc: Alaska
Difficult to differentiate from Culiseta annulata (length of the pecten); it is recommended to confirm the identification with adults.
A subspecies Cs. alaskaensis indica (Edwards, 1920) has a distribution range from the Caucasus to middle Asia.
Culiseta alaskaensis (L)
Culiseta alaskaensis (L)
Head
- HEAD: Branch number of seta 6-C : 2. 2 or 3 branches
- HEAD: Branch number of seta 5-C : 3. more than 5 branches
- HEAD: Position of the setae 4-C and 5-C : 2. space between 4-C setae < space between 5-C
- HEAD: Ornamentation of the antennal integument : 2. clearly spiculate
- HEAD: Size of the antenna and antennal seta 1-A : 1. short antenna and 1-A hardly noticable
Thorax
Wings
Legs
Abdomen
- ABDOMEN: Respiratory aperture - Siphon : 2. opening at the apex of a cylindrical tube - siphon
- ABDOMEN: Siphonal tufts : 2. one pair of siphonal tuft inserted at the base of the siphon - Culiseta
- ABDOMEN: Siphon's length and shape : 2. medium (2 < L <= 4)
- ABDOMEN: Extension of the pecten : 3. near 3/4 of the siphon length
- ABDOMEN: Pecten's ornamentation : 3. the setae outnumber the spines
- ABDOMEN: Abdominal plates : 1. abdominal plates absent
Distribution
- SAMPLING AREA: West of Western Palaearctic Region : Austria ; Czech Republic ; Estonia ; Finland ; France ; Germany ; Hungary ; Ireland ; Kaleningrad ; Latvia ; Lithuania ; Netherlands ; Norway ; Poland ; Romania ; Slovakia ; Slovenia ; Sweden ; Switzerland ; United Kingdom
- SAMPLING AREA: East of Western Palaearctic Region : Armenia ; Belarus ; Crimean Peninsula ; Georgia ; Moldova ; Russia - Northwestern ; Russia - Western - Central ; Russia - Western - Volga ; Turkey ; Ukraine
- SAMPLING AREA: South of Western Palaearctic Region : non décrit