Forum Entomologi Italiani

Hello ,

I have this beautiful species from Venezuela. I guessed it is maybe Stenocrates but I think looks more like Dyscinetus
A little help here pls
Lenght of the specimen ~ 15 mm

P.S. Many thanks to Lucio Morin for these nice specimens !

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alexandrupintilioaie(AT)gmail.com

1. Protarsomeres in males enlarged; external claws larger than internal. Females
with protarsomeres and claws simple. Clypeal length subequal to or longer
than length of frons; apex parabolic, quadrate, weakly emarginated, or
rounded. Metatibia semicircular in cross section ........................................ 2
– Protarsomeres in males and females simple, not enlarged; tarsal claws simple.
Clypeal length shorter than length of frons; apex trapezoidal (Fig. 8). Metatibia
fl attened dorsoventrally, not semicircular in cross section ......................
............................................................................... Stenocrates Burmeister
2. Propygidium with numerous long setae ........................... Chalepides Casey
– Propygidium without long setae ................................................................. 3
3. Clypeus with apex acute or narrowly parabolic ........................................... 4
– Clypeus with apex rounded, truncate, trapezoidal, or emarginate ............... 5
4. Clypeus with apex acuminate (Fig. 9). Mentum with apex emarginate, surface
not furrowed in apical third. Base of pronotum with marginal bead ......
..........................................................................................Mimeoma Casey
– Clypeus with apex narrowly parabolic (Fig. 10). Mentum with apex deeply
emarginated, surface with furrow in apical third. Base of pronotum without
marginal bead ............................................................Ancognatha Erichson
5. Clypeus trapezoidal or subtrapezoidal. Anterior margin of pronotum weakly
produced anteriorly at middle (Fig. 11) .......................... Dyscinetus Harold

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Research Fields
Taxonomy, ecology, biomonitoring , faunistic of Staphylinidae

Key to the New World Genera of Adult Cyclocephalini

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Research Fields
Taxonomy, ecology, biomonitoring , faunistic of Staphylinidae

Thank you very much Jan ! ....tomorrow I will try to upload a better picture with the head

_________________
alexandrupintilioaie(AT)gmail.com

I hope this image will help

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alexandrupintilioaie(AT)gmail.com

Euetheola Bates, 1888 - Dynastinae - Pentodontini - female (I am from Venezuela in the my collection species Eutheola bidentata (Burmeister, 1847)

Pronotum completely and distinctly punctate. Southern United States through South America.

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Research Fields
Taxonomy, ecology, biomonitoring , faunistic of Staphylinidae

Thank you very much Jan .....so my specimen it is a female of Eutheola bidentata

_________________
alexandrupintilioaie(AT)gmail.com