Semiardistomis pallipes (Dejean, 1831)

Valdes, Pavel, 2012, Notes about morphological features of the Western Hemisphere subtribe Ardistomina, and revision of genus Semiardistomis Kult (Coleoptera, Carabidae, Scaritinae, Clivinini), ZooKeys 210, pp. 19-67 : 47-48

Semiardistomis pallipes (Dejean, 1831) Figs 52 58

Clivina pallipes Dejean, 1831: 510.

Ardistomis pallipes (Dejean): Putzeys 1846: 645; Lorenz 2005: 146.

Ardistomus pallipes (Dejean): Csiki 1927: 548; Blackwelder 1944: 27.

Ardistomus pallipes var. caerulea Putzeys, 1846: 646.

Ardistomis striga Putzeys 1866: 211 syn. n.

Semiardistomis pallipes (Dejean); Erwin 2011: 237.

Type material.

Lectotype, here designated, at MHNP, pinned, labeled: handwritten in box "pallipes Dej. Colombie C. Gory"/ handwritten “52” / "Lectotype Clivina pallipes Dej. Des. S.W. Nichols 1984"/ printed in red paper “lectotype”.

Holotype of Ardistomis striga at IRSNB, glued on cardboard, genitalia attached in microvial, labeled: green paper handwritten "A. striga My. Panama. (Mky)"/ printed "Soc. Ent. Belg. Coll. Putzeys"/ red paper printed “Type” / handwritten "P. Basilewsky Ardistomus striga Putz"/ Holotype Ardistomis striga Putzeys det. DRWhitehead".

Type locality.

Given by Dejean (1831: 511) as "from surroundings of Carthagene", Colombia.

Diagnosis.

Body piceous with green brassy reflections. Elytral surface with isodiametric mesh pattern, striae complete, punctures absent, 3 setiferous punctures on interval 3. Abdominal sternum VII with 4+4 setiferous punctures.

Habitus.

dorsal aspect, as in Fig. 52 .

Measurements and variation.

Variation of measurements (mm) and ratios for Semiardistomis pallipes (n=12) are: HL = 0,44-0,54-0,66; PL 0,86-1,01-1,20; PW 0,92-1,10-1,34; EL 2,30-2,74-3,24; EW 1,48-1,72-2,00; SBL 3,70-4,30-5,10; PW/EW 0,64; PW/PL 1,09; PL/EL 0,37; EW/EL 0,63. More western specimens have complete elytral striae, whereas in those from the Amazon Basin the striae are shorter ( Fig. 58 ).

Geographical distribution

( Fig. 58 ). The range of this species extends in South America from northern Brazil and eastern Ecuador north to Colombia, and to Panama in Middle America.

Habitat.

Label data indicate that specimens of Semiardistomis pallipes were collected at margins of water bodies.

Material examined.

BRAZIL. Pernambuco 4 Jan 1883 (USNM, 30). COLOMBIA. Colombie (MHNP, 9); San Alberto 10 Nov 1968 (MHNP, 8). ECUADOR. Napo Onkone Gare Camp 10 Sep. 1995 (FSCA, 3). PANAMA. Panama Mky (IRSNB, 2). PERU. Madre de Dios Rio Manu 18 Jul 1992 (USNM, 24). VENEZUELA. Venz. (IRSNB, 1)

Figures

Figure 58. Distribution map, illustrations of exemplar left elytra, and variability of members of the labialis species-group in South America. Value inside symbol indicates portion of basal elytra in which striae are impressed, (C, complete impressed). Scale bar 1 mm.

Figures 51 - 52. 51 Semiardistomis cyaneolimbatus (Chevrolat) 52 Semiardistomis pallipes (Dejean). Dorsal aspect. Scale bar 1 mm.