Cataglyphis bicolor

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