First state corresponds to Anopheles genus where the siphon is absent. State 3 corresponds to Coquillettidia genus.
Developmental stage | |_ ABDOMEN: Respiratory aperture - Siphon | |_ ABDOMEN: Leaflets apex of the palmate hair on the segments IV and V {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ ABDOMEN: Distribution of palmate hairs {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ ABDOMEN: Number of accesory plates on segment V {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ ABDOMEN: Number of branches of the seta 2-V {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ ABDOMEN: Number of branches of the seta 6-IV {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ THORAX: Number of branches of the setae 9-M & 10-M {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ THORAX: Number of branches of the setae 9-T & 10-T {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ THORAX: Shape of the seta 3-T {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ THORAX: Shape of the insertion of seta 1-P {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ THORAX: Shape of the seta 1-P {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ HEAD: Number of branches of the seta 9-C {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ HEAD: Number of branches of the seta 8-C {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ HEAD: Form of seta 5-C {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ HEAD: Form of seta 4-C {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ HEAD: Form of seta 3-C {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ HEAD: Form of seta 2-C {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ HEAD: Distance between the clypeal setae 2-C {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ HEAD: Number of branches of the antenna seta 1-A {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ HEAD: Antennal seta 1-A {2. opening at the apex of a cylindrical tube - siphon , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ ABDOMEN: Abdominal plates {1. directly opening on the segment VIII - Anopheles genus , 3. opening at the apex of a short saw-like conical tube - Coquillettidia genus} | |_ ABDOMEN: Coquillettidia species {1. directly opening on the segment VIII - Anopheles genus , 2. opening at the apex of a cylindrical tube - siphon}