Key to species of Chalcophorella (Stigmatophorella)

1 Pronotum with pronotal principal reliefs.................................................................... 2

- Pronotum without pronotal principal reliefs................................................................. 4

2 Pronotal minor reliefs missing or in small amount, not large................................................... 3

- Pronotal minor reliefs large and distinct; outer elytral principal reliefs not clearly bordered on outer margin and merging with sculpture of elytra; elytral ornaments small but often with shiny areas. NE Iraq, NW Iran, S Armenia. Figs 1, 18–20, 44....................................................................... C . (S.) bagdadensis wandalii subsp. nov.

3 Outer elytral principal reliefs clearly bordered; elytral ornaments large with distinct inner shiny areas; pronotal minor reliefs in small amount or missing. Syria, Central Iraq, SW Iran. Figs 5–9, 41, 42...................................................................................... C . (S.) bagdadensis bagdadensis (Laporte de Castelnau & Gory, 1837)

- Outer elytral principal reliefs not clearly bordered on outer margin and merging with sculpture of elytra; elytral ornaments small and inner shiny areas often missing; pronotal minor reliefs missing or just hinted. Iran. Figs 12–16, 43....................................................................... C . (S.) bagdadensis quadrimaculata (Redtenbacher, 1850)

4 Pronotal discal relief clearly bordered, very sparsely punctate, shiny; sides of pronotum coarsely punctate, furrowed....... 5

- Pronotal discal relief indistinct; disc of pronotum punctate, not shiny; sides of pronotum densely punctate but not furrowed; elytral minor reliefs missing; elytral ornaments very small, often reduced only to elytral impressions. Iran. Figs 23–26, 45..................................................................... C . (S.) escalerae (Abeille de Perrin, 1904)

5 Basal margin of each elytron with two (exceptionally one) elytral minor reliefs; disc of pronotum with weak and thin median carina at basal half; scutellum invisible, lateral margin of pronotum with obvious angle at apical third; penis oval, apex of parameres truncate. Pakistan, Afganistan. Figs 28–31, 46............................. C . (S.) orientalis Obenberger, 1924

- Basal margin of elytra without elytral minor reliefs; disc of pronotum without median carina; scutellum visible, lateral margin of pronotum rounded; penis subparallel-sided, apex of parameres rounded towards center. Turkey, Syria. Figs 34–38, 47, 48........................................................................ C . (S.) quadrioculata (Kollar, 1843)