Bembidion (Zeperyphodes) callipeplum Bates, 1878

Larochelle, André, Zeperyphodes, Broun & Larivière, Marie-Claude, 2015, Synopsis of the genus Bembidion Latreille in New Zealand (Coleoptera: Carabidae: Bembidiini), Insecta Mundi 2015 (415), pp. 1-78 : 34

Bembidion (Zeperyphodes) callipeplum Bates, 1878

Fig. 23 , 56 , 77

Bembidium callipeplum Bates, 1878a: 195 . Type locality: Wellington, WN.

Bembidion (Peryphus) callipeplum: Csiki 1928: 89 .

Bembidion (Zeactedium) callipeplum: Netolitzky 1931: 182 .

Bembidion (Zeperyphodes) callipeplum: Lindroth 1976: 182 .

Description. Body length 3.1–3.9 mm. Stout. Head and pronotum black; elytra yellowish with dark brown variegated markings; antennae and legs pale testaceous (antennal segments 5–11 and femora infuscated); abdomen pale brownish. Microsculpture strong, isodiametric on head, pronotum, and elytra. Very shiny, with metallic lustre on head, pronotum, and dark elytral markings (aeneous, greenish). Head. Antennae filiform with segments 8–10 slender. Thorax. Pronotum: anterolateral angles rounded; sides strongly rounded anteriorly, slightly sinuate posteriorly; posterolateral angles subrectangular, slightly obtuse, sharp at tip; laterobasal foveae moderately deep, linear, moderately long, not reaching basal margin. Elytra. Widest about middle. Sides evenly and moderately rounded. Striae 2–6 incomplete, moderately deep, finely punctate; striae 6–7 weak, incomplete, finely punctate. Intervals very slightly convex. Apical striole shallow, connected to stria 5. Aedeagus. Lateral view ( Fig. 56 ): strongly arcuate; base strongly convex dorsally with a very slight concavity towards its apex; middle strongly convex dorsally with dorsal membranous area moderately wide and long, deflected to the left, strongly concave ventrally; apex slender with a dorsal membranous area wide and deflected to the left, very slightly convex dorsally, rather straight ventrally, with extreme tip wide and short.

Material examined. 222 specimens ( JNNZ, MONZ, NZAC).

Geographic distribution ( Fig. 77 ). North Island: BP, GB, HB, RI, WA, WI, WN.

Ecology. Coastal and inland lowland. Epigean, fossorial. Stream banks, at a certain distance from water (2–10 m). Open ground; wet, sandy-silty bare soil. Nocturnal; hides during the day in soil crevices, as well as under plant leaves and fallen branches. Gregarious.

Biology. Seasonality: October, January, March–June. Tenerals: December. Occasionally infested with fungi (Laboulbeniales). Defence mechanism: when alarmed, the adult escapes by running.

Dispersal power. Macropterous, probably capable of flight. Moderate runner. Vagility likely favoured by flight capacity.

Collecting techniques. Pouring water over the ground; treading the soil with the feet; raking the soil; turning fallen branches.

References. Lindroth 1976: 182 (taxonomy); Larochelle and Larivière 2001: 83 (catalogue; biology, dispersal power, ecology, geographic distribution, references).

Remark. The geographic distribution provided by Lindroth (1976) for this species included records for Bembidion nesophilum which is resurrected from synonymy in the current revision. Bembidion callipeplum is now known from numerous localities, mostly in southern areas of the North Island.

Figures

Figures 21–24. Dorsal habitus. 21) Bembidion orbiferum. 22) B. giachinoi. 23) B. callipeplum. 24) B. nesophilum. Scale line = 1 mm.

Figures 53–60. Aedeagi, lateral. 53) Bembidion musae. 54) B. orbiferum. 55) B. giachinoi. 56) B. callipeplum. 57) B. nesophilum. 58) B. tekapoense. 59) B. anchonoderus. 60) B. stewartense.

Figures 77–82. Species distribution maps. 77) Bembidion callipeplum. 78) B. chalceipes. 79) B. chalmeri. 80) B. charile. 81) B. dehiscens. 82) B. embersoni.