1. Parallel development in sawfly wings is most frequent in the anal veins . 2. The anal vein does not reach the alar margin. 3. The anal vein of the wing is shortened. 4. The anal cell of wing and the anal vein of wing are both present. 5. The hindwings have only 8 veins, with the anal veins vestigal or absent. 6. In all sawflies, 2A & 3A tend to fuse with the first anal vein . 7. All these pattern elements are strongly incurved between the cubitals and anal veins , but less so towards the termen. 8. From the apical fourth of the costa there is an irregular blackish-fuscous line, extending to the anal veins . 9. The hindwings are dark brown with a white patch on the anterior margin and white hair-pencils along the anal veins . 10. Their anal veins are 1b and 1c like on the forewings; they lack vein 1a but also have the tubular vein 1c.
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