Agrilus dilatipenis Jendek

Jendek, Eduard & Grebennikov, Vasily V., 2009, Revision of the Agrilus muscarius species-group (Coleoptera: Buprestidae) with description of thirteen new species from Palaearctic and Oriental regions, Zootaxa 2168, pp. 1-33: 25-26

publication ID 10.5281/zenodo.275076

persistent identifier

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scientific name

Agrilus dilatipenis Jendek

sp. nov.

Agrilus dilatipenis Jendek  , sp. nov.

Figs. 30View FIGURES 25 – 30, 54View FIGURES 50 – 57, 73View FIGURES 58 – 76

Diagnosis. This species is very distinctive by the bell-shaped pronotum with acute basal angles and by the aedeagus conspicuously expanded apically.

Description (Holotype): Body form, color and pubescence as in Fig. 30View FIGURES 25 – 30. Head small, moderately convex; eyes not protruding from head outline. Pronotum bell-shaped, with sides slightly bisinuate, emarginate at base and then arcuately convergent apicad; apical pronotal margin distinctly narrower than basal margin; anterior pronotal lobe large and distinctly projecting beyond apical pronotal angles; basal angles acute; pronotal disk obviously convex, with distinct basal impression; lateral impressions absent; prehumerus extending to about half of pronotal length, sharply costate, feebly arcuate, with apex clearly distant from marginal carina (lateral view).

Elytra elongate, without humeral carinae, faintly bichromatic, with golden-bronze and golden-violet patterns, combined with golden and golden-whitish ornamental pubescence; apices widely, separately, shallowly arcuate.

Prosternum ( Fig. 54View FIGURES 50 – 57): Prosternal lobe large, with apical margin distinctly incised medially; prosternal process with faintly expanded sides; disk flat with uniplanar lateral corners. Basal abdominal ventrite without tubercles; apex of last abdominal ventrite slightly, but distinctly emarginate.

Aedeagus ( Fig. 73View FIGURES 58 – 76).

Length. 4.8–5.7 mm, Holotype 5.7 mm.

Sexual dimorphism. Female without apparent sexual differences.

Variability. Some paratypes have basal pronotal impression deeper; elytra more contrastly bichromatic and elytral apices more markedly arcuate.

Type series. Holotype 3 ( EJCB): “ Thailand bor., 19 – 21.5.1997, Chiang Dao, lgt. M. Snížek”. Paratypes: 15 exs ( EJCB): Thailand: Chiang Mai: 1 Ƥ ( EJCB): with the same locality label as holotype; 1 3 ( EJCB): “ THAI, 17–24.V. 1991, Chiang Dao, 1000 m, 19 ° 25 'N, 98 ° 52 'E, Vít Kubáň leg.”; 2 exs ( EJCB): “ Thailand bor., Chiang Dao, 21.5.– 4.6. 1995, lgt. M. Snížek”; Mae Hong Son: 1 Ƥ ( EJCB): “ 18.4.– 1.5.1997, Pai, Thailand, M. Zyka lgt.”; 1 Ƥ ( EJCB): “NW Thailand, 1–15.5., 1991, Mae Hong Son, Ban Huai Po, 800–1600 m, S. Bílý leg.”; 1 3 ( EJCB): “NW Thailand, 1–7.V. 1992, Mae Hong Son, Ban Si Lang, 1000 m, S. Bílý leg.”; 2 exs ( EJCB): “NW Thailand, 19.19 N, 97.59 E, Mae Hong Son, 1991, Ban Huai Po, 1600–2000m, 30.4.– 4.5. L. Dembický leg.”; 3 3 ( EJCB): “NW Thailand, 8–18.V., Mae Hong Son, 1992, Ban Si Lang, 1200 m, J. Horák leg.”; 1 Ƥ ( EJCB): “NW THAI, 8–18.V. 1992, Mae Hong Son, 1991, Ban Huai Po, J. Horák leg.”; 1 3, 1Ƥ ( EJCB): “NW Thai, 30.iv.– 4.v., Mae Hong Son, 1991, Ban Huai Po, 1600–2000, L. Dembický leg.”.

Type locality. Thailand borealis, Chiang Mai province, Chiang Dao [19 ° 24 'N, 98 ° 55 'E] Distribution. Thailand: Chiang Mai, Mae Hong Son.

Etymology. The name is a combination of Latin verb dilato, -are (to make wider or larger, cause to expand) and the noun penis (the male organ of copulation), to stress the peculiar shape of the aedeagus of this species.