Culex torrentium (F)
Culex torrentium (Martini, 1925)
Type-loc: Germany
Very difficult to differentiate from Culex pipiens s.l., male genitalia examination is necessary.
Culex torrentium (F)
Culex torrentium (F)
Head
- HEAD - THORAX: Anopheles or not : 1. maxillary palpus clearly shorter than proboscis ; 3. scutellum clearly trilobate
- HEAD: colour of maxillary palpus : 1. entirely dark
- HEAD: colour of proboscis : 1. entirely dark
Thorax
- THORAX: Prespiracular and postspiracular setae : 1. prespiracular and postspiracular setae absent
- THORAX: scutum's ornamentation : 1. without well-marked patterns
- THORAX: prealar areas ornamentation : 2. with at most 1 or 2 pale scales ; 3. with 1 pale scale patch
- THORAX: lower mesepimeral seta : 2. 1 seta ; 3. 2 or more setae
- THORAX: postspiracular area's ornamentation : 1. without scales ; 2. with scales
Wings
- WING: general ornamentation of the wing : 1. entirely dark
- WING: colour of the scales on the wing veins : 1. dark scales only
- WING: position of wing veins R2+3 and M1+2 : 1. furcation of vein R2+3 is closer to furcation of vein M1+2 ; 2. furcation of vein R2+3 more distant from the furcation of vein M1+2
- 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 : 2. between 3 - 3,5 mm ; 3. between 3,6 - 4 mm ; 4. between 4,1 - 4,5 mm ; 5. between 4,6 - 5 mm
- WINGS and LEGS I - III: Culex or Coquillettidia : 2. wing scales narrow, pulvili present, claws smaller - Culex genus
Legs
- LEG I: tibia's colour : 1. entirely dark or with some pale scales at the apex
- 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
- LEG III: colour of tarsomere 5 : 1. entirely dark
- LEG III: colour of tibia : 2. with an apical pale ring
- LEG I: colour of the scales on the coxa : 1. with a majority of pale scales
- LEG II: tibia's colour : 2. with an apical pale ring
- LEG II: colour of the external side of the femur : 3. with a mixture of pale and dark scales
- LEG III: relative sizes of tarsomere 1 and tibia : 1. tarsomere nearly as long as tibia
- LEG III: colour of femur : 1. with the basal half partially dark
Abdomen
- ABDOMEN: colour of the scales on the tergite : 5. with creamy white and dark scales
- ABDOMEN: colour of tergite III : 2. with a basal pale band
- ABDOMEN: Ornametation of tergite III : 2. with a basal pale band
Distribution
- SAMPLING AREA: North of Mediterranean Sea : Austria ; Belarus ; Belgium ; Corsica ; Czech Republic ; Denmark ; Estonia ; Finland ; France ; Germany ; Greece ; Hungary ; Italy ; Lithuania ; Luxembourgh ; Moldova ; Norway ; Poland ; Portugal ; Romania ; Serbia ; Slovakia ; Spain ; Sweden ; Switzerland ; United Kingdom
- SAMPLING AREA: East of Mediterranean Sea : Armenia ; Turkey
- SAMPLING AREA: South of Mediterranean Sea : non décrit