Myrmecina, Curtis, 1829

Sheela, S., Kazmi, S. I. & Roy, S., 2020, TWO NEW SPECIES OF THE GENUS MYRMECINA CURTIS, 1829 (HYMENOPTERA: FORMICIDAE: MYRMICINAE) FROM INDIA, Far Eastern Entomologist 403, pp. 13-19 : 19

Key to the Indian species of Myrmecina based on worker caste

1. Thorax transversely striate ( Figs 3 , 8 ) …………………….…………..…………..…… 2

– Thorax longitudinally striate ( Figs 13 , 18 ) …..……………….…………..…..………….. 3

2. Propodeal spines thin, long and curved outwards; dorsal propodeal teeth well defined; in dorsal view, anterior margin of gaster concave with sides sharply defined. ( Figs 11–15 ) .. ……….….……………………………………………….…..… M. urbanii Tiwari, 1994

– Propodeal spines more or less straight, dorsal propodeal teeth not distinct, in dorsal view anterior margin of gaster transverse with sides not produced in front. ( Figs 16–20 ) …….. …………………………………………………………………... M. vidyae Tiwari, 1994

3. Clypeal teeth distinct ……………………………………..……… M. striata Emery, 1899

– Clypeal teeth weak or absent …………………………………………..……...………….. 4

4. Dorsal propodeal teeth minute; postpetiole with prominent lateral keels; gaster punctuate.…………………..………………………………………………..….. M. camellia sp. n.

– Dorsal propodeal teeth large and prominent; lateral keels on post petiole not well developed; gaster smooth and shining ….....................................................……. M. narendra sp. n.

Figures

Figs 1–5. Myrmecina camellia Sheela, sp. n. 1 – head in full-face view; 2 – body in

Figs 6–10. Myrmecina narendra Sheela, sp. n. 6 – head in full-face view; 7 –body in

Figs 11–15. Myrmecina urbanii Tiwari. 11 – head in full-face view; 12 – body in profile

Figs16–20. Myrmecina vidyae Tiwari. 6 – head in full-face view; 17 – body in profile view; 18 – body in dorsal view; 19 – propodeal spines and pedicel, 20- gaster in dorsal view.