Ground beetles of the subfamily Lebiinae (Carabidae) of Guinea-Bissau: description of three new species and faunistic notes Author Serrano, Artur R. M. text Zootaxa 2024 2024-03-07 5419 3 361 393 http://dx.doi.org/10.11646/zootaxa.5419.3.3 journal article 10.11646/zootaxa.5419.3.3 1175-5326 10791748 E4FECDD5-DF1B-439D-B91C-CB29DADB61F5 Key to the Guinea-Bissau species of Arsinoe 1. Elytra with thin transverse microreticulation; each elytron with a large yellow humeral spot extending since the 3 rd to the 8 th intervals and a large, irregular subapical yellow spot extending since 1 st to 7 th intervals, giving a clearly trimaculate appearance to the elytra ( Fig. 1 in Facchini 2011 ); legs yellowish; male genitalia as in Facchini (2011 , Figs. 7a–b)............................................................................................. Arsinoe triguttata Facchini, 2011 - Elytra without transverse microreticulation................................................................. 2 2. Head with strong longitudinal furrows on the sides above and near the eyes ( Fig. 1a ); pronotum strongly transverse (1.8–1.9 times as wide as long), lateral sides very large and heavily wrinkled posteriad; male genitalia as in figures 2a–b............................................................................................. Arsinoe aguiari n. sp . - Head with few and slight longitudinal furrows on the sides above and near the eyes................................. 3 3. Elytra with two pairs of yellowish spots, one subhumeral sub-rounded extending from the 3 rd –4 th to 7 th intervals, and other subapical rounded extending from 1 st –2 nd to 4 th intervals; legs with femurs and tibiae yellowish, knees and tarsi blackish.............................................................................. Arsinoe flavosignata (Gory, 1833) - Elytra with two pairs of yellowish spots, one subhumeral oblique extending from the 3 rd interval to the 8 th interval, dented anteriad in the 5 th (part), 6 th and 7 th (part) intervals and posteriad in the 4 th interval, and other subapical joined by the suture, extending from 1 st –5 th intervals, strongly dented anteriad in the 3 rd interval and posteriad in the suture-1 st interval and 4 th interval; legs totally blackish................................................ Arsinoe laevigata Basilewsky, 1970