194 MESSRS. C. HOENE AND F. SMITH ON HTMENOPTEEA 



5. Trigona RUFICORNIS. 



Worker. Length 1^ line. 



The head smooth and shining, the face with a white downy pubescence ; the antennae 

 and mandibles ferruginous, the clypeus usually more or less so. The thorax smooth, 

 shining, black ; the scutellum and metathorax frequently more or less pale ferruginous ; 

 wings colourless and iridescent ; legs pale ferruginous, varying in colour to dark fusco- 

 ferruginous. Abdomen ferruginous, frequently dark towards the apex, and very smooth 

 and shining. 



Hab. Mainpuri, North-west Provinces of India. 



DESCRIPTION OF THE PLATES. 



PLATE XIX. 



Fig. 1. Nest of Megachile fasciculata, p. 178. 



Fig. 2. Male of Megachile fascieulata. 



Fig. 3. Female of Megachile fascieulata. 



Fig. 4. Leaf cells of Megachile fascieulata. 



Fig. 5. Open cell, with pollen, and grub feeding thereon. 



Fig. 6. The skin of the larva of Megachile fascieulata. 



Fig. 7. Leaves of a rose cut by Megachile fascieulata. 



Fig. 8. The pupa-case of Megachile fascieulata. 



Fig. 9. Jjorvsi of Megachile fascieulata. 



Fig. 10. The egg of Megachile fascieulata. 



Fig. 11. Nest of Megachile lanata (p. 176) in a piece of bamboo. 



Fig. 11 a. Female of Megachile lanata. 



Fig. \\h. Male of Megachile lanata. 



Fig. 12. Nest of Megachile di^uncta, p. 179. 



Fig. 12 a. Female of Megachile disjuncta. 



PLATE XX. 



Fig. 1. Nest of Rhynchium nitidulum, p. 168. 

 Fig. 1 a. The female of Rhynchium nitidulum. 



