| 1 | Hindwing upperside with cubital pecten. Forewing usually with distinct costal strigulae |
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| - | Hindwing upperside without cubital pecten. Forewing usually without distinct costal strigulae |
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| 2 (1) | Labial palp very long, approximately three times eye-diameter, extending beyond head by twice length of head (dorsal view) 28.1 Tortricinae (part) |
| | Labial palpus porrected. Forewing without costal strigulae. Only one species, Sparganothis pilleriana. |
| - | Labial palp shorter, extending beyond head by a distance at most equal to that of length head 28.3 Olethreutinae |
| | Forewing usually with distinct costal strigulae. |
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| 3 (1) | Forewing with vein 1c absent or obsolete throughout 28.1 Tortricinae (part) |
| | Forewing with veins 1a and 1b originating separated from base, but often converging and confluent for more than two-thirds. Formerly considered as a separate family, Cochylidae. |
| - | Forewing with vein 1c at least distinct near posterior margin |
| | Forewing with 1a and 1b originating separated from base, but often converging and confluent for more than two-thirds. |
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| 4 (3) | Hindwing with 6 and 7 originating clearly separated from cell 28.2 Chlidanotinae |
| | Veins 6 and 7 in hindwing may converge afterwards, confluent for a short distance and again diverging posteriorly. Only two species, Olindia schumacheriana and Isotrias rectifasciana. |
| - | Hindwing with 6 and 7 stalked, originating from one point or very closely approximated towards cell 28.1 Tortricinae (part) |
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