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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| Eutheola bidentata (Burmeister, 1847) - Dynastidae http://www.entomologiitaliani.net/public/forum/phpbb3/viewtopic.php?f=165&t=36541 |
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| Autore: | alexaandru [ 20/07/2012, 17:23 ] |
| Oggetto del messaggio: | Eutheola bidentata (Burmeister, 1847) - Dynastidae |
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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| Autore: | Honza [ 20/07/2012, 17:29 ] | |||
| Oggetto del messaggio: | Re: Dynastidae from Venezuela - need help ! :D | |||
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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| Autore: | Honza [ 20/07/2012, 19:28 ] | ||
| Oggetto del messaggio: | Re: Dynastidae from Venezuela - need help ! :D | ||
Key to the New World Genera of Adult Cyclocephalini
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| Autore: | alexaandru [ 20/07/2012, 21:00 ] |
| Oggetto del messaggio: | Re: Dynastidae from Venezuela - need help ! :D |
Thank you very much Jan !  ....tomorrow I will try to upload a better picture with the head 
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| Autore: | alexaandru [ 21/07/2012, 12:08 ] |
| Oggetto del messaggio: | Re: Dynastidae from Venezuela - need help ! :D |
I hope this image will help |
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| Autore: | Honza [ 21/07/2012, 12:51 ] | |||
| Oggetto del messaggio: | Re: Dynastidae from Venezuela - need help ! :D | |||
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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| Autore: | alexaandru [ 21/07/2012, 13:26 ] |
| Oggetto del messaggio: | Re: Dynastidae from Venezuela - need help ! :D |
Thank you very much Jan  .....so my specimen it is a female of Eutheola bidentata
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