A review of Dinetus Panzer, 1806 with descriptions of five new species and keys to world species (Hymenoptera, Crabronidae) Author Jacobs, Hans-Joachim 0000-0002-6385-0024 Dorfstr. 41, 17495 Ranzin, Germany. jacobs. hym @ gmx. de; https: // orcid. org / 0000 - 0002 - 6385 - 0024 & Senckenberg Deutsches Entomologisches Institut, Eberswalder Strasse 90, 15374 Müncheberg, Germany jacobs.hym@gmx.de text Zootaxa 2021 2021-11-03 5061 1 69 94 journal article 3615 10.11646/zootaxa.5061.1.3 b389c293-742c-439a-8c41-fdac1e9df55d 1175-5326 5642248 83DA00E4-5C95-42EA-A584-87CEA3EF3337 Dinetus ( Dentidinetus ) wojciechi Kazenas, 1998 Dinetus wojciechi Kazenas, 1998: 99 , ♀ , ♂ . Holotype : ♀ , Kazakhstan : Turgay Valley 2 km south of Irghiz (probably ZIN). Description female (after Kazenas 2000 ). Colour. Head and thorax black with rich yellow markings. Yellow or ivory are large part of mandible, clypeus, lower part of frons with stripes on inner orbits, front of scape, spots on the upper side of antennomeres 3‒4, very narrow stripes on the outer orbits, pronotum except black median spot, pronotal lobe, tegula, scutellum distally, postscutellum, spots on mesopleuron, big spot on tergum I, lateral spots on terga II‒III and V. Antenna brown. Coxae and trochanters of all legs yellow with black spots. Fore and mid legs yellow and black, hind leg reddish. Metasoma reddish. Morphology. Anterior margin of clypeus with two blunt teeth. Mandible with distinctly truncated tooth. Antennomere 3 about 4× as long as broad. Frons finely punctured. Distance between the hind ocelli 2× longer than distance between hind ocellus and eye. Collar without median incision. Scutum and mesopleuron finely and densely punctured. Propodeal enclosure dull, finely reticulated. Mesopleuron with dense appressed silver pubescence and long more or less erect setae, some 1.5‒2.0× as long as diameter of front ocellus. Fore femur short, 3.2× as long as broad. Metasomal terga with scattered and obscure puncture and microsculpture. Outer vein of subdiscoidal cell (cu) vertical, parallel with the nervulus (cu-a) (see fig. 1). Body length 6.3 mm . Description male (after Kazenas 2000 ). Colour. Frons predominantly yellow, gena partly yellow. Antenna except scape reddish-brown, with yellow spots. Tergum VI almost completely yellow, yellow spots on terga larger than in female. Morphology. Mandible with conspicuous tooth. Clypeus with protruding anterior margin. Antenna short and stout, antennomeres 3‒6 hardly longer than broad. Fore trochanter extended, with tooth distally. Fore femur medially with tooth. Sculpture and pubescence like female. Body length 5.0– 5.3 mm . Distribution . Kazakhstan ( type locality). No material examined.