Cataglyphis bicolor

A. Ionescu & P. - A. Eyer, 2016, Notes on Cataglyphis Foerster, 1850 of the bicolor species-group in Israel, with description of a new species (Hymenoptera: Formicidae), Israel Journal Of Entomology 46, pp. 109-131 : 129

Key to Cataglyphis bicolor -group species of Israel

1 High propodeum with nearly straight dorsum and declivity that form a rounded right-angle in lateral view (Fig. 14) (’Arava Valley)...................... C. holgerseni

– Low propodeum with more arched dorsum in lateral view ( Figs 13, 15–17) ....2

2 First funiculus segment of worker is short relative to second segment, F1L/ F2l<1.5 ( Fig. 3) (Dead Sea area, central and southern Negev, ’Arava Valley).... .................................................................................................................... C. isis

– First funiculus segment of worker is longer relative to second segment, F1L/ F2l>1.5 ( Fig. 11) ................................................................................................3

3 Symmetrically and smoothly arched propodeum outline in lateral view ( Figs 7, 13); in bicolored worker coxae and petiole concolorous with mesosoma pleura ( Fig. 7), or darker to some extent, medium workers (MW=1.0–1.5) always lighter than larger specimens ( Figs 7, 12) (Hermon, Golan Heights, Galilee, Sea of Galilee area and Jordan Valley, Karmel Ridge, Yizre’el Valley, Shomeron, Judean Hills, Judean Desert, Dead Sea area) ................................. C. israelensis

– Propodeum higher and with steeply rounded outline in lateral view (Figs 16, 17); coxae and petiole distinctly darker than mesosoma pleura, usually black (Fig. 17), medium workers (MW=1.0–1.5) always darker than larger specimens (Coastal Plain, Judean Foothills, Negev, ’Arava Valley) ......... C. niger -complex