Acrodactyla tami Pham, Broad, Matsumoto & Böhme, 2012

Pham, Nhi Thi, Broad, Gavin R., Matsumoto, Rikio & Böhme, Wolfgang, 2012, First record of the genus Acrodactyla Haliday (Hymenoptera: Ichneumonidae: Pimplinae) from Vietnam, with descriptions of six new species, Zootaxa 3207, pp. 40-53 : 52-53

publication ID	https://doi.org/ 10.5281/zenodo.210988
DOI	https://doi.org/10.5281/zenodo.6171027
persistent identifier	https://treatment.plazi.org/id/8F5F87F4-FF87-187B-5CAC-FCF3FCD0F768
treatment provided by	Plazi
scientific name	Acrodactyla tami Pham, Broad, Matsumoto & Böhme
status	sp. nov.

Treatment

Acrodactyla tami Pham, Broad, Matsumoto & Böhme , sp. nov.

( Figs 1 View FIGURE 1 c, 2f, 3c, 4f, 5f, 6f, 7e)

Diagnosis. Mesosoma marked with reddish and reddish brown, with hairs posteriorly; propodeum with posterior transverse carina curved medially, lateromedian longitudinal carinae entirely absent; hind wing with second abscissa of vein Cu 1 faintly present; hind tibia long and thin, 14.7x as long as wide; ovipositor 0.83x hind tibia.

Description. (Holotype female). Body length 5.6 mm, fore wing 4.5 mm. Head. Antenna with 22 flagellomeres, first flagellomere 1.2x length of second; diameter of lateral ocellus 0.85x ocellar-ocular distance; frons subpolished, with sparse hairs; inner margins of eyes weakly concave above antennal sockets, parallel ventrally; face as high as wide, pubescent; clypeus convex, about 0.55x as high as wide, separated from face by distinct clypeofacial suture, apical margin round; malar space 0.85x basal width of mandible, mandible upper tooth distinctly longer than lower tooth; palpi formula 5:3; occipital carina complete, meeting hypostomal carina about 1.2x basal mandible width from base of mandible, forming flange ventrally after meeting hypostomal carina.

Mesosoma . Pronotum polished, with sparse hairs on posterior corner; mesoscutum pubescent posteriorly, 1.4x as long as wide at anterior level of tegulae; scutellum strongly convex, pubescent, lateral carina present at base; mesopleuron densely setose except concave area near mesopleural suture bare and polished, epicnemial carina present on lower half of mesopleuron; metapleuron finely punctate, pubescent, submetapleural carina complete; propodeum moderately convex, almost impunctate dorsally, posterior part of lateral longitudinal and posterior transverse carinae present, pleural area pubescent. Legs long and thin; fore and mid femora without teeth ventrally; fore femur 5.8x longer than wide hind leg with femur 6.2x as long as wide, length 0.7x tibia, tibia 14.7x as long as apical width; basitarsus 0.3x tibia, 0.4x tarsus, 1.7x second tarsomere, fifth tarsomere as long as third. Fore wing with vein Rs&M basad of cu-a, vein cu-a strongly inclivous, 2 rs-m about 0.5x distance between 2 rs-m and 2 m-cu, vein Cu 1 a separated from 1 m-cu by 1.2x length of vein Cu 1 b; hind wing with vein M+Cu strongly curved, first abscissa of vein Cu 1 2x as long as vein cu-a, second abscissa of vein Cu 1 faintly present.

Metasoma. Tergites polished; first tergite 2.5x as long as apical width, dorsolateral carina weakly complete, median longitudinal carina extending beyond oblique groove; second tergite 0.8x length of first tergite, 1.1x as long as apical width, basal and apical oblique grooves moderately deep, rhombic convex area smooth and shiny; third tergite shorter than second, moderately dense punctate, except two lateral swellings; tergite 4 onwards dense punctate; first sternite slightly extending beyond spiracle, smooth, rounded convex centrally; ovipositor up-curved at tip, length from tip of hypopygium 0.83x as long as hind tibia..

Colour. Black. Mandible, palpi, tegula, and legs yellow, except hind femur with light brown stripes laterally, apical of hind tibia and tarsus fuscous; pronotum laterally, lateral margins of mesoscutum, scutellum, metascutellum and subalar prominence of mesopleuron reddish; central part of mesoscutum reddish brown; wings hyaline, pterostigma and veins brownish yellow; tergite 2 onwards brown with black smooth transverse bands; ovipositor reddish.

Male. Unknown.

Comparison. This species belongs to the degener group ( Townes & Townes 1960). It can be distinguished from A. maiphuquyi sp. nov. by the petiolar area of propodeum not divided into two areas by carina, the mesosoma marked with reddish and reddish brown, and the longer ovipositor (0.83x hind tibia versus 0.63x).

Etymology. This species is named after Dr Nguyen Minh Tam from the Vietnam National Museum of Nature, who collected the holotype.

Distribution. Currently known only from Hoang Lien NP, Fansipan Mountain, Lao Cai Province, North Vietnam ( Fig. 8 View FIGURE 8 ).

Ecological notes. The single specimen was collected in mountain evergreen forest at 2,320 m a.s.l.

Material examined. Holotype: Ƥ ( RMNH), Lao Cai, Hoang Lien NP, Fansipan Montane, 2320 m a.s.l, 24.iv– 02.v.2000, Malaise trap, Q. P. Mai & T. M. Nguyen leg.