14 ARKIV FÖR ZOOLOGI. BAND 5. NIO 12. 



Explanation of the plate. 



(All the drawings are made by the author, with help of Abbés 

 camera lucida.) 



Fig. 1. Yoimg larva in the act of leaviiig the eggshell, X 52. 



» 2. 3^^ larval stage, dorsal view. X 20. 



» 3. Antenna with suiTOunding spinuUe, lateral view; V^ larval 



stage. X412. 



» 4. Antefina seen from above; 1^^ larval stage X 540. 



» 5. Portion of the cuticle of the head; V^ larval stage. X 540. 



» 6. Abdominal appendage of pupa, with sucker-plate (?). X 206. 



» 7 a. Ventrolateral, glandular hairs of the larva; 3^*^ stage 



» b. and c Tip of the same. 



» 8 a. Dorsolateral, ■ glandular hairs of the larva. 



» b. and c Tip of the same. 



» 9. Antenna of adult. X 206. 



» 10. Mandibel of the larva; 3^'^ stage. X 540. 



» 11. Right maxilla of adult with maxillary palp, ventral view. X 412. 



» 12. Labium with labial palp, ventral view. X 412. 



» 13. Left mandibel of adult, ventral view. X 412. 



» 14. Maxilla with maxillary palp of the larva, 3^*^ stage. X 540. 



» 15. Antenna of the larva, seen from above, 3^*^ stage, X 540. 



Tryckt den 17 juli 1909. 



Uppsala 1909. Almqvist & Wiksells Boktryckeri-A.-B. 



