Abdera hoffeinsorum Alekseev, 2014

Alekseev, Vitalii Igorevich & Bukejs, Andris, 2021, Fossil Melandryidae (Coleoptera: Tenebrionoidea) from Eocene Baltic amber of the Sambian peninsula: new genus, six new species, new records and key to described taxa, Zootaxa 4965 (1), pp. 142-166 : 160

Abdera hoffeinsorum Alekseev, 2014

Material examined. One specimen with collection number 4418/149 [ KRAM]; Baltic amber, adult, male, complete specimen. Body length of the specimen is 2.5 mm. The beetle inclusion is preserved in a small-sized, orange, polished piece of transparent amber with dimensions of 10×7× 3 mm without supplementary fixation. The amber piece was possibly treated in an autoclave (right side of beetle slightly roasted). Syninclusions are absent.

One specimen with collection number 5726/5 [ KRAM]; Baltic amber, adult, male, complete specimen with partially exposed male genitalia and metathoracic wings. Body length of the specimen is 2.6 mm. The beetle inclusion is preserved in a medium-sized, yellow, polished piece of transparent amber with dimensions of 30×11× 5 mm without supplementary fixation. Syninclusions are represented by numerous fagacean stellate trichomes and one Ceratopogonidae (Diptera) specimen.

One specimen with collection number MMO 1/22 4730/261 [ MWO]; Baltic amber, adult, female, complete specimen. Body length of the specimen is 3.0 mm. The beetle inclusion is preserved in a medium-sized, yellow, polished piece of transparent amber with dimensions of 28×17× 6 mm without supplementary fixation. Syninclusions are absent.

One specimen with collection number MMO 1/43 7657/31 [ MWO]; Baltic amber, adult, sex unknown, complete specimen with partially exposed metathoracic wings. Body length of the specimen is 3.4 mm. The beetle inclusion is preserved in a yellow, polished piece of transparent amber with dimensions of 14×13× 5.5 mm without supplementary fixation. Syninclusions are absent.

One specimen with collection number MMO 1/22 4730/256 [ MWO]; Baltic amber, adult, male, complete specimen. Body length of the specimen is 3.0 mm. The beetle inclusion is preserved in a yellow, polished piece of transparent amber with dimensions of 20×16× 7 mm without supplementary fixation. Syninclusions are absent.

One specimen with collection number MMO 1 7657/944 [ MWO]; Baltic amber, adult, male, complete specimen with partially exposed genitalia. Body length of the specimen is 2.6 mm. The beetle inclusion is preserved in a yellow, polished piece of transparent amber with dimensions of 17×13× 6 mm without supplementary fixation. Syninclusions are represented by one Diptera (Brachycera) specimen and stellate fagacean trichomes.

Two specimens in the piece with collection number MMO 1 7657/943 [ MWO]; Baltic amber, adults, sex unknown. Body lengths of the specimens are 3.0 and 3.2 mm. The beetle inclusions are preserved in a yellow, polished piece of transparent amber with dimensions of 18×10× 8 mm without supplementary fixation. Other syninclusions are absent.

One specimen with collection number MMO 1 7657/940 [ MWO]; Baltic amber, adult, male, complete specimen. Body length of the specimen is 3.0 mm. The beetle inclusion is preserved in a yellow, polished piece of transparent amber with dimensions of 10×8× 4.5 mm without supplementary fixation. Syninclusions are represented by few stellate fagacean trichomes.

One specimen with collection number MMO 1 7657/1269 [ MWO]; Baltic amber, adult, male, complete specimen. Body length of the specimen is 3.5 mm. The beetle inclusion is preserved in a yellow, polished piece of transparent amber with dimensions of 17×9× 5 mm without supplementary fixation. Syninclusions are absent.

One specimen with collection number MMO 1 7657/1239 [ MWO]; Baltic amber, adult, male, complete specimen. Body length of the specimen is 3.3 mm. The beetle inclusion is preserved in a yellow, polished piece of transparent amber with dimensions of 19×9× 7 mm without supplementary fixation. Syninclusions are absent.

One specimen with collection number 8190 [ CAG]; Baltic amber, adult, male, complete specimen with partially exposed aedeagus. Body length of the specimen is about 2.9 mm. Syninclusions are represented by few stellate fagacean trichomes.