34 The University Science Bulletin. 



EXPLANATION OF PLATE I. 



1. Pronotum and head of Ceresa bubalus. sp, suprahuraerals ; m, meto- 

 pidium; ha, humeral angles. 



2. Cephalic aspect of head of Ceresa bubahis. es, epicranial suture; o, 

 ocellus; v, vertex; e, compound eye; g, gena; lo, lora; cl, clypeus; I, labrum; 

 ep, epipharynx; la, labium. 



3. Caudal aspect of head of Cerem bubalus. oc, occiput; of, occipital 

 foramen; pg, postgena; c, compound eye; la, labium. 



4. Lateral aspect of head of Ceresa bubalus. oc, occiput; v, vertex; e, 

 compound eye; g, gena; cl, clypeus; pg, postgena; I, labrum; ep, epipharynx; 

 mx, maxillary stylets; md, mandibular stylets; la, labium. 



5. Pronotum of Ceresa bubahis. sp, suprahumerals; ha, humeral angles; 

 m, metopidium; dc, dorsal carina; pp, posterior process. 



6. Metathoracic leg of Ceresa bubalujs. c, coxa; tr, trochanter; /, femur; 

 t, tibia; ta, tarsus. 



7. Prothoracic leg of Ceresa bubalus. 



8. Prothoracic leg of Campylenchia latipes. 



9. Tegmen of Ceresa bubalus. 

 10. Hind wing of Ceresa bubalus. 



IL Ventral aspect of abdomen of male Ceresa bubalus. 2-9, sternites; 2-8, 

 pleurites; py, p.ygofer or ninth tergite; Iv, lateral valve. 



12. Ventral aspect of abdomen of female Ceresa bubalixs. 2-7, sternites; 

 2-S, pleurites; pif, pygofer or ninth tergite; ovi, ovipositor. 



13. Lateral aspect of abdomen of male Ceresa bubalus. 1-11, tergites; 2-9, 

 sternites; Iv, lateral. valve. 



14. Lateral aspect of abdomen of female Ceresa bubalus. 1-9, tergites; 2-7, 

 sternites. 



