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 Singapore: Sternohammus

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loongfah Posted - 10/04/2013 : 16:40:23

498.74 KB

Close up of head and thorax

The puncture pattern on the prothorax doesn't look like Acalolepta rusticatrix.
The elytral apex is also not rounded.
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Francesco Posted - 10/11/2013 : 21:59:02
quote:
Originally posted by loongfah

Could it be Sternohammus femoralis?
Anyone has the description or a picture?
I'd say that it corresponds to the description of this species.
loongfah Posted - 14/04/2013 : 15:43:27
Thanks, Francesco. Unfortunately, I don't have the physical specimen and can't look at the prosternum to confirm the genus.
For Sternohammus, there seems to be 3 candidates in this region:
  • Sternohammus femoralis (Aurivillius,1928) Borneo
  • Sternohammus niasensis Breuning,1935 (Sumatra)
  • Sternohammus sumatranus Breuning,1935 (Sumatra)

S. niasensis seems to be out because of "apical elytra rounded evenly".
Breuning's description of S. sumatranus (the type is a female) fits some aspects of my photo, although it said the antenna is hardly longer than half of the body, and the sixth antenna segment is slightly thickened (i.e. if I get the German translation correct!). My picture doesn't seem to have these features.

Indeed, I have a picture of another specimen, whose antennae are much longer, but the 6th antenna segment is also not thickened. Both my specimens are both obtained at lights.


506.96 KB

Could it be Sternohammus femoralis?
Anyone has the description or a picture?
Francesco Posted - 14/04/2013 : 11:48:32
I do not think it is an Acalolepta; it seems more closely related to Sternohammus (cf. here).

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