Chilothorax Motschulsky, 1859

Alekseev, Vitalii I., 2018, Scarabaeoidea (Insecta: Coleoptera) Of The Kaliningrad Region (Russia): The Commented Actual Checklist, Assessment Of Rarity And Notes To Regional Protection, Acta Biologica Universitatis Daugavpiliensis 18 (2), pp. 111-152 : 127

Subgenus Chilothorax Motschulsky, 1859

20. A. conspurcatus (Linnaeus, 1758)

Alekseev & Shapoval 2016.

Voucher specimens: 9 [23 km of the Curonian Spit, 17 October 2015; Kostrovo, 15 October 2018, 8 exp.].

Comments: According to Bercio & Folwaczny (1979) the findings of this rarely encountered species were earlier known in present-day territory of Poland only. Generally, the beetle is

widely distributed: it is known in Fennoscandia, Baltic Region ( Silfverberg 2010), and Belarus (Alexandovitch & Pisanenko 1991). Locally frequent species, registered in mid-October in light trap and in horse excrements only.

21. A. distinctus distinctus (Müller, 1776)

Bercio & Folwaczny 1979; Alekseev & Sakhnov 2000 (misidentification).

Voucher specimens: 12 [3 km W Primorsk, 16 April 2018; Vzmor’e, 11 September 2018; ibidem 25 September 2018, 5 exp.; Kostrovo, 15 October 2018, 5 exp.].

Kaliningrad Region: Common everywhere; Zel.

Comments: Heliophilous, collected in autumn and spring, sporadically frequent in the Region species.

22. A. melanostictus W. Schmidt, 1840

Lentz 1879; Bercio & Folwaczny 1979.

Voucher specimens: 3 [Veseloe, 08 May 1996; Donskoe, 04 May 2016; Baltic Spit, 23 April 2018].

Kaliningrad Region: Chern. (Insterburg), Gur. (Königsberg); Bagr., Zel.

Comments: Heliophilous, sporadically distributed and rare species. In the Kaliningrad Region is collected on the sandy coasts of Baltic Sea and Kaliningrad Gulf in spring.

23. A. paykulli Bedel, 1907 [= tessulatus

(Paykull, 1798)]

Bercio & Folwaczny 1979 (tessulatus Payk.); Akhmetova & Frolov 2014.

Kaliningrad Region: The species is reported in Eastern Prussia with no locality specified (Bercio & Folwaczny 1979), and is known in the Kaliningrad Region according to Akhmetova & Frolov (2014). It reported in Fennoscandia and Baltic region ( Silfverberg 2010), Belarus (Alexandovitch & Pisanenko 1991), and north-western Poland ( Byk & Rutkiewicz 2017). Adults occurr in autumn and early spring. The species is considered to be local and rare, not sampled in research time by author, but included in the list of recent regional fauna according to Akhmetova & Frolov (2014).