Key to Tilloidea Castelnau 1832 (Modified from Gerstmeier 1998)

 

1. Antennae serrate from 5th segment onwards. ............................................................................................................................... 2. 

 

-  Antennae serrate from 4th segment onwards. ............................................................................................................................... 3. 

 

 

2. Legs Black; the serrate antennal segments bluntly extended on inner margins; black area of the elytra showing little sculpuration; large species (6.5-12 mm). ......................................................................... transversalis (Charpentier 1825).

 

-  Tibiae red brown; the serrate antennal segments pointed on inner margins; black area of elytra conspiculously sculptured; smaller species (6.5 mm). .................................................................................................. levigata (Peyerimhoff 1927).

 

 

3. Scutellum light red brown. .................................................................................................................................. notata (Klug 1842).

 

-  Scutellum black. ....................................................................................................................................................................................... 4.

 

 

4. Basal portion of elytra red brown. ...................................................................................................................................................... 5.

 

- Basal portion of elytra black; from pakistan. ......................................................................................................... undescribed sp.

 

 

5. Body compact; antennnae and legs light red brown; Elytra less than twice as long as broad (length/width ratio 1.85); serrate antennal segments rectangular, almost shovel-like. ...................................... iranica Gerstmeier & Kuff 1992.

 

-  Body elongate; antennae and legs black; elytra more than twice as long as broad (length/width ratio 2.28); antenna triangularly serrate. ................................................................................................................. unifasciata (Fabricius 1787).