Cephalastor huautla Grandinete & Carpenter

Grandinete, Yuri Campanholo, Noll, Fernando Barbosa & Carpenter, James, 2016, Three new species of tribe Odynerini (Hymenoptera, Vespidae, Eumeninae) from the Neotropical Region, Zootaxa 4162 (2), pp. 391-400 : 394-396

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https://doi.org/ 10.11646/zootaxa.4162.2.13

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scientific name

Cephalastor huautla Grandinete & Carpenter

sp. nov.

Cephalastor huautla Grandinete & Carpenter , sp. nov.

( Figs 7–12 View FIGURES 7 – 13. 7 – 12 )

Comments and diagnosis. Cephalastor huautla sp. nov. is slender and has a blackish integument; short pubescence and coarse punctation along the body but mainly covering the anterior surface of the pronotum as well ( Fig. 12 View FIGURES 7 – 13. 7 – 12 ), distinguishing it from C. mariachi Garcete-Barrett, 2001 (holotype and paratype examined) which have that region without coarse punctures on the central region ( Fig. 13 View FIGURES 7 – 13. 7 – 12 ). Besides that, C. huautla has more evident punctation on the clypeus ( Fig. 9 View FIGURES 7 – 13. 7 – 12 ), while C. mariachi has weaker punctures.

Description. Holotype, ♀. Color. Body black; yellow marks as follows: basal half of mandibles (two apical teeth brownish); two marks on each side of apex and base of clypeus; triangular mark right above the inter-antennal region; longitudinal stripe above this mark towards central ocelli; small mark on ocular sinus and one on apical half of gena; longitudinal stripe on scape; broad stripe on dorsal face of pronotum, briefly interrupted mesally; broad stripe on posterior region of mesoscutum, briefly interrupted mesally; small mark on anterior portion of tegula; longitudinal stripe on fore tibia; broad stripe on apex of T1-T5 and S2; narrower stripes on apex of S3-S5; rounded mark on apex of T6; tarsi brownish. Wings hyaline; pterostigma, costal and marginal cells slightly darkened. Veins dark.

Pubescence. Body covered with very short silver pubescence, depending on angle of view it might give the impression of golden pubescence mostly on dorsal surface of the head and mesosoma. Clypeus, occipital region, posterior face of propodeum and apex of metasomal segments covered with longer bristles.

Sculpture. Weak punctures on clypeus, more evident centrally; frons, vertex and gena with coarser and denser macropunctation and dense micropunctation; tubercle between lateral ocelli with weak and sparse punctures; micropunctation present all over mesosoma except on posterior face of propodeum; anterior surface of pronotum with two pits deep and contiguous, surrounded by coarse and slightly sparse macropunctation ( Fig. 12 View FIGURES 7 – 13. 7 – 12 ); pronotum, mesoscutum, scutellum and metanotum with coarse and dense macropunctation; transverse row of broader punctures on apical edge of the scutellum; tegula with superficial macropunctures on anterior and posterior regions, and no macropunctures on central region; dorsal surface of propodeum with broader macropunctures, dense, forming carinae between punctures; lateral surface of propodeum with coarse and slightly sparse macropunctation, except for superficial punctures on anterior area; posterior face of propodeum with weak and very sparse punctures; mesepisternum with coarse macropunctation, dense on apical half becoming sparser towards basal region; dorsal surface of T1 (before the transverse carina) with weak and sparse punctation; lateral surface covered with coarse, broad and dense macropunctation, as on dorsal surface of propodeum; posterior region (after transverse carina) with coarse and dense macropunctation; T2 and S2 with coarse macropunctation, sparse on basal region and denser towards apex; T6 and S6 with superficial punctures; S3 with weak and sparse macropunctures restricted to apex. We were not able to examine the punctation on T3-T5 and S4-S5 because they are telescoped inside T3 and S3, but apparently the punctures (at least on the apex) are weaker and slightly sparser than on T2 and T3.

Labrum with apex oval; clypeus convex, wider than long ( Fig. 9 View FIGURES 7 – 13. 7 – 12 ), with apex concave, narrower than interantennal region; weak carina on each apical projection; vertex strongly sloping posterior to lateral ocelli ( Fig. 10 View FIGURES 7 – 13. 7 – 12 ); tubercle strongly developed between lateral ocelli ( Fig. 12 View FIGURES 7 – 13. 7 – 12 ); mesoscutum and scutellum almost flat ( Fig. 7 View FIGURES 7 – 13. 7 – 12 ); pronotal carina weakly developed; pronotal foveae present; pretegular carina absent; external margin of tegula strongly concave and posterior projection weakly developed, not surpassing the parategula; notauli only evident as longitudinal row of coarse and deep macropunctures; parategula flat laterally; metanotum cristate, weakly elevated; fore coxa with a carina on upper half of external lateral surface; dorsal surface of propodeum narrower than metanotum, with deep central furrow; posterior face of propodeum delimited from lateral surface by carina on upper half; submedian carina lamellar; submarginal carina not fused with propodeal valvula; propodeal orifice broad; T1 sessile, wider than long, with lateral margins divergent and a well developed transverse carina on prebasal region ( Fig. 11 View FIGURES 7 – 13. 7 – 12 ); basal region of S2 strongly sloped; apical edge of T6 with row of small spurs.

Male. Unknown.

Type material. Holotype, ♀ (lacking the left F11-F12, hind tarsi and right fore tibiae and tarsi), ‘ MEXICO : Morelos \ 2.5 km N, 4 Km O Huautla \ Estación CEAMISH \ 9-VII-1996 Alt. 940 m \ 18º 27.671’ N 99º 02.475’ O \ sobre suelo húmedo \ Col. A. Rodríguez’. GoogleMaps

Etymology. The epithet is the city Huautla , the closest city to where the type specimen was collected, and is to be treated as a noun in apposition.

Distribution. Mexico (Morelos).













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