Philhammus, FROM

Schawaller, Wolfgang & Steiner, Warren E., 2018, Philhammus ambouli Schawaller and Steiner (Coleoptera: Tenebrionidae: Cnemeplatiini), New Species from Djibouti, The Coleopterists Bulletin 72 (1), pp. 129-133 : 132

KEY TO THE SPECIES OF PHILHAMMUS FROM AFRICA AND ARABIA

1. Posterior corners of pronotum prominent ... 2

1´Posterior corners of pronotum rounded.... 3

2. Pronotum with complete, deep, medial, longitudinal furrow ( Djibouti) ..................... ........... P. ambouli Schawaller and Steiner , new species

2´. Pronotum with flat, medial, longitudinal furrow only in posterior part (western and central Africa) ............. P. ferenczi Kaszab, 1967

3. Eyes small, diameter not larger than length of 1 antennomere of antennal club (Canary Islands, Spain, Morocco, Egypt) .............. .................... P. sericans Fairmaire, 1871

3´. Eyes larger, diameter as large as length of 2–3 antennomeres of antennal club .............. 4

4. Body length 3.5 mm; pronotal disc with transverse and longitudinal convexity, reduced medial furrow of pronotum deep at base ( Chad) .................... P. tschadensis Kaszab, 1967

4´. Body length 2.5–3.0 mm; pronotal disc with only transverse convexity, reduced medial furrow of pronotum flat at base ............. 5

5. Body narrower, elytra 1.8X longer than wide; eyes larger, diameter with 7–8 smaller facets; genae not wider than eyes (southern Africa) ......................... P. brincki Ferrer, 1995

5´. Body broader, elytra 1.6X longer than wide; eyes smaller, diameter with 3–5 larger facets; genae wider than eyes (Middle East, Arabia, Egypt, Sudan) ......................................... ........................ P. aharonii (Reitter, 1910)