Bothrideridae, Erichson, 1845

Alekseev, Vitalii I., 2015, Two new cocoon-forming beetles (Coleoptera: Cucujoidea: Bothrideridae) from Baltic amber, Baltic Journal of Coleopterology 15 (1), pp. 9-16 : 16

Key to Bothrideridae in Baltic amber, including Stein’s species.

1. Pronotum without tubercle, with longitudinal impressions or simple………………………….2

- Pronotum with tubercle enclosed by well impressed sulci………...........…… …......………….3

2. Pronotum with longitudinal impression basally, granulated anteriorly, elytra with distinct punctures in striae……………...……………......…………….. Bothrideres kuenowi Stein, 1881

- Pronotum without impression, elytra without punctuation in striae………...........…………….... ..................................................................................................................... B. succinicola Stein, 1881

3. Protibia denticulate, elytron with triangular protuberance at the apex, central pronotal tubercle almost divided in two parts, additional symmetrical pronotal pits present, anterior pronotal angles rounded………………………………………………... Pseudobothrideres criwecriwayto sp.nov.

- Protibia without denticles, elytra without protuberances, central pronotal tubercle simple, additional pits on pronotum absent, pronotum with small denticle behind the middle, anterior angles triangular…………………………………………………………….………. P. rugiorum sp. nov.