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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 :hi: ,

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

P.S. Many thanks to Lucio Morin for these nice specimens ! :lov2: :lov2: :hp:

P1340430.JPG



P1340428.JPG



P1340427.JPG



P1340426.JPG



P1340425.JPG


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

Allegati:
11.jpg

8.jpg


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

Allegati:
Key to the New World Genera of Adult Cyclocephalini.pdf [295.38 KiB]
Scaricato 78 volte

Autore:  alexaandru [ 20/07/2012, 21:00 ]
Oggetto del messaggio:  Re: Dynastidae from Venezuela - need help ! :D

Thank you very much Jan ! :lov2: :lov2: :birra: ....tomorrow I will try to upload a better picture with the head :)

Autore:  alexaandru [ 21/07/2012, 12:08 ]
Oggetto del messaggio:  Re: Dynastidae from Venezuela - need help ! :D

I hope this image will help :)

P1340433.JPG


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.

Allegati:
Scan626 - Kopie.jpg

Bez názvu.jpg


Autore:  alexaandru [ 21/07/2012, 13:26 ]
Oggetto del messaggio:  Re: Dynastidae from Venezuela - need help ! :D

Thank you very much Jan :lov1: :hp: :hp: :lov1: .....so my specimen it is a female of Eutheola bidentata :D

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