Two new species of Ptinidae (Coleoptera) from Eocene Baltic amber

Abstract

Two new species, Ernobius arturi sp. nov. and Xestobium michalskii sp. nov. are described from Eocene Baltic amber.

Full text

Two new species of Ptinidae (Coleoptera) from
Eocene Baltic amber
1,2 &3
1Daugavpils University, Institute of Life Sciences and Technology,

2Private Entomological Laboratory and Collection,


3Forestry and Game Management Research Institute,


&Two new species of Ptinidae (Coleoptera) from Eocene Baltic amber
AbstractErnobius arturi sp. novXestobium michalskii sp. nov

Keywords
Introduction
The family Ptinidae (Coleoptera) from Baltic amber have been recently studied
(     &     
 &         &   
&
Two new species belonging to genera ErnobiusXestobium

Material and methods
    




Each specimen of the new species described here is provided with a red, printed label
     Ernobius arturi sp. nov  Xestobium
michalskii sp. nov
Natura Somogyiensis 35:   
  
 (Online)


6
Results
Subfamily Ernobiinae
Ernobius arturi sp. nov.
Type material  

The complete beetle is included in a transparent amber piece, with dimensions of

Description of holotype      


Head      

             

Pronotum          


Elytra       
elytron with striae consisting of very small poorly defined punctures discally, defined


Legs

Differential diagnosis
Ernobius barticus

Etymology        

Subfamily Ernobiinae
Xestobium michalskii sp. nov.
Type material  


   

Description of holotype


Head



7
&
Figs. 1-3: Ernobius arturi sp. nov.: 1- habitus dorsal view; 2- antenna; 3- pronotum
(photo by A. Michalskii)


8
Pronotum         

Elytra
 
        


Figs. 4-6: Xestobium michalskii sp. nov.: 4- lateral view, right; 5- lateral view, left;
6- antenna (photo by A. Michalskii)

9
&
Legs


Differential diagnosis   Xestobium was mentioned from Baltic amber by



Etymology        


            



Figs. 7-8: Syninclusions specimens of Nematocera (Diptera)
(photo by J. Háva)


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References
 





&

&        
       

&
       

&

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 & 

&

&
            

&

&      

&     

 & 




&    

  &           

&
