Laccodytes

Toledo, Mario, Spangler, Paul J. & Balke, Michael, 2010, Taxonomic revision of the Neotropical diving beetles genus Laccodytes Régimbart, 1895 (Coleoptera: Dytiscidae), Zootaxa 2347, pp. 37-58 : 56-57

Laccodytes sp. 2

Figs (39, 62)

Material examined. 1 Ƥ ( CLH) Brasil: Minas Gerais, Cordisburgo, Fazienda Pontinha, XII.1997, F.Z. Vazde-Mello.

Provisional diagnosis. Habitus ( Fig. 39 ). Similar to L. neblinae n.sp. in body shape and for the short prosternal process (but even shorter than in L. neblinae n.sp.), but elytra are black, with sharply distinct yellow patterns. Body length 1.6 mm. Body slightly drop-shaped, tip of elytron rounded. Hind angle of pronotum rounded. Angle between pronotum and elytra missing.

Sculpture. The entire dorsal and ventral surface of the beetle with well impressed MR of regular, polygonal meshes.

Color. Head orange obscured on the front and around the eyes. Pronotum orange, with two broad, brownish, band along anterior and basal sides. Elytra black, each one with sharp yellow patterns composed by a subbasal, U-shaped stripe, divided into two portions and a subapical spot, distinctly trilobed on its hind side. Underside blackish, exception made for prosternum, metacoxal process and last abdominal sternites Structures. Prosternal process very short: the tip is acuminate, but do not reach the fore side of mesocoxae; lobes of metacoxal process rounded, separated by a short and shallow notch. Metatarsomeres 1–4 with apico-lateral angle distinctly lobed.

Female. Sternite 7 as in Laccodytes sp. 1

Distribution ( Fig. 62). Southeastern Brasil (Planalto Central).

Figures

FIGURES 28 – 39. Subschematic body shape and colour patterns: 28) Laccodytes apalodes; 29) L. rondonia; 30) L. americanus; 31) L. phalacroides; 32) L. takutuanus; 33 a – 33 b) L. neblinae (variation of elytral patterns); 34) L. bassignanii; 35) L. obscuratus; 36) L. olibroides; 37) L. androginus; 38) Laccodytes sp. 1.; 39) Laccodytes sp. 2.