Ammatomus yemenensis SCHMID- EGGER, 2019

Schmid-Egger, Christian, 2019, Review oI the genus Ammatomus A. COSTA, 1859 (Hymenoptera, Crabronidae) Irom the Palearctic region with description oI Iour new species, Linzer biologische Beiträge 51 (1), pp. 437-457 : 448

Ammatomus yemenensis SCHMID- EGGER nov.sp. (figs 41-46)

As Ammatomus mesostenus in SCHMID- EGGER (2011: 490).

Holotype: female 3.xii.1997 ̅ 17.ii1998 Al Kadan, leg. A.v.Harten & Massoud Nasr in malaise trap (coll Leiden ). Paratype: male, same data as holotype.

D i a g n o s i s: Within the A. mesostenus -lineage, A. yemenensis is characterized by a sparse whitish body colour without red spots, and with lateral spots on T 1, interrupted by a large gap. In remaining species, T 1 has a continuous yellow band or a red disc.

D e s c r i p t i o n o f h o l o t y p e, f e m a l e: Body length 8.5 mm. Colour: black, whitish yellow are: clypeus, space below antennal socket, short band on lower eye margin, AS I-III, pronotal lobe, spot on mesoscutum laterally in apical corner, metanotum, lateral spots on T 1, narrow bands on T 2- T 4, band on T 4 does not reach tergal margin, triangular spot on S2, apical part of fore- and midfemora, tibiae, tarsi. Fore and midtibia with small, hindtibia with large red or black spot on underside. Mandible basally white, medially orange brown, apically black. AS XII and parts of AS XI orangebrown. Apical half of hindtarsomere V and claws black. Wing venation brown, wings transparent. Morphology: Face including clypeus and vertex, lower mesopleuron and propodeal desclivity with sparse, silver pilosity, T 1 1.1x, mesoscutum with coarse punctation, punctures 0,5-1 diameters apart. Otherwise similar to M. mesostenus (see PULAWSKI 1973).

D e s c r i p t i o n o f m a l e: Body length 8.0 mm. Male agree with female, T 1 1.7x.

D i s t r i b u t i o n: Yemen.

E t y m o l o g y: The species is named after the country of origin, Yemen.