Odonata
Figure 1. Discoidal cell of Zygoptera.
Figure 2. Discoidal cell of Anisoptera.
Figure 3. Antenodal crossveins (Zygoptera)
Figure 4. Anal vein (Zygoptera)
Figure 5. Forewing triangle (Anisoptera)
Figure 6. Numbering of abdominal segments.
Figure 7. Pterostigma
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