194 MESSRS. C. HORNE AND F. SMITH ON HYMENOPTERA 
5. TRIGONA RUFICORNIS. 
Worker. Length 14 line. 
The head smooth and shining, the face with a white downy pubescence ; the antennie 
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 fasciculata. 
3. Female of Megachile fasciculata. 
4. Leaf cells of Megachile fasciculata. 
Fig. 5. Open cell, with pollen, and grub feeding thereon. 
6. The skin of the larva of Megachile fasciculata. 
7. Leaves of a rose cut by Megachile fasciculata. 
Fig. 8. The pupa-case of Megachile fasciculata. 
Fig. 9. Larva of Megachile fasciculata. 
Fig. 10. The egg of Megachile fasciculata. 
Fig. 11. Nest of Megachile lanata (p. 176) in a piece of bamboo. 
Fig. lla. Female of Megachile lanata. 
Fig. 11. Male of Megachile lanata. 
Fig. 12. Nest of Megachile disjuncta, p. 179. 
Fig. 12a. Female of Megachile disjuncta. 
PLATE XX. 
Fig. 1. Nest of Rhynchium nitidulum, p. 168. 
Fig. 1a. The female of Rhynchium nitidulwm. 
