shapeHead 1.25 times wider than mesonotum, twice as wide as long, 1.3 times longer than high. Longitudinal eye diameter 1.7 times longer than transverse one, twice as long as gena height, somewhat shorter than face width. Face 2 times wider than high, 1.5 times as high as clypeus [T11]. Head 1.25 times as wide as mesonotum, roundedly narrowed behind eyes, twice as wide as long, 1.3 times as high. The temples are equal in length to the transverse diameter of the eye. The width of the ocellar triangle is OOL. POL is 3 times the diameter of the ocellus. Longitudinal diameter of eye 1.7 times transverse, twice height of malar space. The width of the face is twice its height [T14]. Frons slightly sunken, face flat, clypeus not convex, with truncated end [Zh1].
sculptureThe face and vertex with fine transverse rugae [T14]. Frons with parallel linear lines, face with dense and irregular reticulate rugae. Clypeus smooth and shiny [Zh1].
color
antenna
shape ♀Apical antennal segments somewhat longer than wide [T11]. Length of 8th and 9th antennal segments twice their width. Antennae slightly longer than head and chest combined; the length of the 3rd segment is 2.5 times its width, the apical segment is slightly longer than wide [T14].
shape ♂
color
mesosoma
shapePropodeum without transverse carina. Mesosoma length 1.5 times its height. Propodeum with weak and obtuse lateral teeth [T14]. Propodeum without transverse carina, with blunt and short denticles on both sides [Zh1].
sculptureMesonotum before scutellum with longitudinal rugae, scutellum nearly smooth [T11][T14]. Mesonotum with fine and short pubescence and densely reticulate-rugose. Before scutellum with rough longitudinal rugae. Scutellum smooth [Zh1].
color
legs
shapeHind femur 4 times as long as wide [T14]. Inner spur of hind tibia significantly shorter than hind basitarsus [T11].
sculpture
colorHind tibiae brown, yellowish from inner side in basal half; hind basitarsus brownish-yellow [T11]. Legs are dark-colored, hind tibiae with a weak brownish-yellow band [T14]. The legs are mostly black, the fore and mid tibiae, and the middle of the hind tibia are yellowish brown; The hind metatarsus is yellow [Zh1].
wings
shape1-R1 is half as long as the pterostigma. The marginal cell of the fore wing is twice as large as the 2nd submarginal cell [T14]. Cu-a equal to 1-CU1 [T11].
colorThe wings are transparent [Zh1].
metasoma
shapeMetasoma oval, slightly angular near apical third, apically slightly bent forward, 1.6 times as long as wide [T14]. Metasoma convex oval, the end is pointed, slightly curved inward [Zh1].
sculptureMetasoma with numerous and sinuous longitudinal rugae reaching its posterior third [T11][T14].
color
♀ ovipositorOvipositor sheaths equal to the length of the hind metatarsus [T14].
Material. Holotype: ♀. Uzbekistan. Chatkal River. 10 km above Auryakhmet. 3O.V.I963 (Tobias). Paratypes: 1 ♀ W Tien Shan, mountain-forest reserve, near setll. Nevich, 5.VI.1963 (Tobias); 1 ♀ , Balkhash, 12.VII.I983 (A. Alekseev).
Description. Female. Head 1.25 times wider than mesonotum, twice as wide as long, 1.3 times longer than high. Longitudinal eye diameter 1.7 times longer than transverse one, twice as long as gena height, somewhat shorter than face width. Face 2 times wider than high, 1.5 times as high as clypeus. Apical antennal segments somewhat longer than wide. Propodeum without transverse cylinder. Anterior margin of radial cell twice as short as pterostigma. Nervulus shifted from basal vein by nervulus length. Inner spur of hind tibia significantly shorter than hind basitarsus.
Mesonotum with longitudinal rugae before scutellum. Scutellum smooth. metasoma with abundant sinuous longitudinal rugae extending to its posterior third.
Hind tibiae brown, yellowish from inner side in basal half; hind basitarsus brownish-yellow.
The rest of the characters the same as in M. karakalensis sp. n.
Body length 3 mm.
Male unknown.
Differential diagnosis. The new species is closely related to Mongolian M. nartshukae Tobias, 1989; differing from the latter in shorter mesosoma, weakly reflexed apically angular abdominal carapace, and significantly shorter flagellomeres. M. acutulus differs from M. brevimetacarpus Tobias. 1995a in shorter inner spurs of hind tibiae, head spherically narrowed behind eyes, and shorter metasoma.
Data used in the multi-access key
These data are collected from the species descriptions and redescriptions, from published figures and photographs and from own measureements and observations. For a description of the different variables and value classes see this pdf.
morphology
basic information
female
male
body length (mm):
(2.5) 2.5 - 3.3 (3.5)
(2.5) 2.5 - 3.3 (3.5)
number of antennal segments:
16
---
head, dorsal view
Head width : length
wide
wide
Temples narrowing - widening
narrowing, parallel
narrowing, parallel
Eye length : temple length
---
---
Roundness temple
strong, medium, weak
strong, medium, weak
POL : OD
2 - 3, 3 - 4
2 - 3, 3 - 4
Ocellar triangle shape
---
---
Excavation of head
---
---
head, lateral view
Head height : length
very short, short
very short, short
Eye height : length
very short, short
very short, short
Temple length : eye length
---
---
head, frontal view
Head width : height
---
---
Face width : height
wide
wide
Eyes converging ventrally
---
---
EH : MSL
short
short
Clypeus width : height
---
---
Clypeus extending above bottom of eyes
---
---
Tentorial pits
---
---
Shape of lower margin clypeus
---
---
antennae
Antennal shape
---
filiform, not widened
Segment 3 length : width
short, medium
---
Penultimate segment length : width
---
---
Length of antenna : length of body
2: short, 3: long
---
mesosoma, lateral view
Length : height
medium
medium
transverse carina
absent
absent
lateral teeth
weak, small, short
weak, small, short
mesosoma, ventral view
Prepectal carina lamelliform
indistinct
indistinct
legs
Hind femur length : width ratio
long
long
Hind tibia length : hind tarsus length ratio
---
---
Hind tibia (longest) spur length : metatars length ratio
