Identification of Culex sp. (Adult)

1. All adult mosquito have empodium. However, Culex have both the empodium and well developed pulvilli at the T5. (p/s: Coquilettidia did not have pulvilli which help to differentiate with Culex).

2. Abdomen is blunt.

3. All Culex (Culex)

• Have white band at the center of the proboscis EXCEPT:
• Culex hutchinsoni
• Culex fuscocephale
• The abdomen is all dark colour
• Culex quinquefasciatus 
• The tergite's abdomen have white base and dark apical

• The thorax
• Without bristles at mesopimeron, if present very weak (~ 1-3 bristles)
• Broad and white scale at the sternumpleuron

Culex (Culex) spp.

• Abdomen part:
• the tergite have white base and dark apical

 4. Species of Culex:

• Culex quinquefasciatus

no centre white band at the proboscis

• Culex fuscocephale

No center white band at the tergite of the abdomen like Culex quinquifasciatus. The abdomen is all dark.

• Culex gelidus - 2/3 of the sputum cover with white scale.

Culex gelidus

• Culex vishnui
• Culex pseudovishnui
• Culex tritaeniorhyncus

Culex tritaeniorhyncus, upright fork scale are all balck. (Can't see clearly in this pictur)

 Culex tritaenioryhncus

 

 Culex pseudovishnui, upright fork scale are 80% all white.

 

Culex pseudovishnui, upright fork scale are 80% all white.

 

The culex pseudovishnui

 Culex vishnui, Culex pseudovishnui, Culex gelidus, Culex tritaeniorhyncus - These Culex species have white band at the center of their proboscis.

 

Culex vishnui, upright folk scale are black and white in the middle.

Culex vishnui