TENTH KEPOET OF THE STATE ENTOMOLOGIST 4:79 



Explanation of Plate III. 



Panorpa rufescens. 

 Larva. 



Fig. 1 . — Lateral aspect of first stage: la, rudimentary annulated spine of 7th 

 abdominal segment in 2d stage; 1&, the annulated spine of 8th 

 abdominal segment in do; Ic, abnormal bifiurcate spine of 10th 

 abdominal segment. 



Fig. 2. — Ventral aspect of head: e, eye; p, maxillary palpus. 



Fig. 3. — Dorsal aspect of head: a, antenna; e, eye. 



Fig. 4. — One of the eyes, showing distribution of ocelli. 



Fig. 5.— Antenna, showing special sense organ at s. 



Fig. 6.— Mandible. 



Fig. 7. — Thoracic spiracle in first stage . 



Fig. 10. — Arrangement of setae on 3d thoracic segment; diagrammatic. 



Fig. 11. — The same of the 1st abdominal segment. 



Fig. 19. — Anal-fork extended, latero-caudal aspect. 



Fig. 21. — Portion of the maxilla; p, palpus. 

 Imago. 



Fig. 8. — Lateral aspect of 9th abdominal segment of male: v, valve. 



Fig. 12. — Ventral aspect of 10th abdominal segment of male: h, harpe; 

 u, uncus; I, lower limb of uncus; i, inner harpe. 



Fig. 9. — Internal aspect of ventral portion of 9th abdominal segment of 

 female. 



Fig. 16. — Dorsal aspect of 9th and 10th segments of female abdomen: a, seg- 

 mented appendage. 



Fig. 17. — Lateral aspect of 8th, 9th, and 10th segments of female abdomen: 

 a, segmented appendage. 



Bittacus st7'igosus. 

 Imago. 

 Fig. 20. — Internal aspect of right valve. 



Fig. 13.— Cephalo-lateral aspect of 9th abdominal segment: h, harpe; u, uncus. 

 Fig. 14. — The same of 10th abdominal segment: i, inner harpe; /, chitinous 



filament . 

 Fig. 15. — Chitinous filament partially uncoiled: i, inner harpe; /, filament. 

 Fig. 18.— Dorsal aspect of 9th and 10th abdominal segments of female: 

 a, unsegmented appendage. 

 All the drawings, except figures 19 and 21, were made with the aid of the 

 camera lucida . All the figures are greatly enlarged . 



