Pristomerus stellatus, Klopfstein, Seraina, 2016

Klopfstein, Seraina, 2016, Revising Australian Pristomerus (Hymenoptera, Ichneumonidae, Cremastinae): species with a tooth on the hind femur, Zootaxa 4168 (2), pp. 201-238: 231

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Pristomerus stellatus

n. sp.

Pristomerus stellatus   n. sp.

Figures 23 View FIGURE 23 , 26 View FIGURE 26

Etymology. This is a very smooth and shining species with weak and sparse punctuation; it obtained its name due to its sparkling appearance.

Description. Known from female holotype only. Fore wing length 5.8 mm. Antenna with 37 flagellomeres. Mesoscutum with only a few weak punctures along front margin and sometimes along notauli. Scutellum without punctures, all smooth and shining. Mesopleuron with only few, weak punctures, mostly smooth and shining; below subtegular ridge smooth and without punctures. Metapleuron with juxacoxal carina absent or at most a short basal carina. Propodeal areas and hind coxa smooth with very few very weak punctures. Hind femur length to width ratio 3.7, ventrally with a large tooth that is longer than width of hind tibia at mid length, and adjacent smaller teeth. Hind tibia 2.1 mm. Second tergite 2.1 × longer than wide at base, smooth and shining. Ovipositor 2.2 × as long as hind tibia.

Colouration. Antenna orange on scape and pedicel, remainder uniformly black. Head entirely orange. Mesosoma including propodeum orange. Hind femur orange, with apex yellow. Hind tibia orange-brown with base and apex broadly darkened. Fore wing strongly infuscate, smoky-brown. Tergite 1 orange at base, black on remainder, tergite 2 black, tergites 3 onwards black or dark brown with wide, light apical bands that are often laterally interrupted by dark round mark.

Notes. This species is very close to P. bicinctus   , but can be clearly distinguished by the much weaker punctuation on the mesosoma.

Material examined. Holotype ♀: Label data: ' 4km SSW of Cape; Tribulation nr.; Daintree Qld; 21–22 Nov 1981; D.H. Colless; (Malaise Trap)'; at ANIC.  


Australian National Insect Collection