shapeHead behind eyes weakly widened (♂ widened or not widened), width 1.7 times length, 1.1 times height, and 1.25 times width of mesonotum. Genae [temples?] 1.3-1.5 times as long as eyes. Base of ocellar triangle equal to distance from it to eye. Distance between posterior ocelli 3 times diameter of ocellus. Longitudinal diameter of eye twice transverse diameter, 4-4.5 times height of cheek, and 1.1 times width of face. Height of face 0.67 width. Distance between tentorial pits twice distance from pit to eye [T5]. Head in dorsal view widened behind eyes [Zh1]. Head slightly widened behind eyes, 1.25 times as wide as mesoscutum, 1.7 times as wide as long, 1.1 times as wide. Temples 1.3–1.5 times as long as transverse eye diameter. Base of ocellar triangle equal to OOL. POL is 3 times the diameter of the ocellus. The longitudinal diameter of the eye is twice the transverse diameter, 4 - 4.5 times the malar space. Face width 1.5 times its height [T14].
sculpture
colorPalpi yellow [T5][T14].
antenna
shape ♀23 antennal segments [Zh1][T14]. Length of 3rd antennal segment 3 times its width, 8th segment twice, 9th segment 1.5 times width [T5][T14]. Subsequent segments slightly longer than their width [T14]. Length of following segments considerably greater than width; several preapical segments considerably slenderer, length 1.5 times width [T5].
shape ♂23 antennal segments [T5][Zh1].
colorAntennal segments entirely dark colored [Zh1].
mesosoma
shapeMesosoma length 1.7 - 2.0 times its height [T5][T14]. Propodeum with weak transverse carina [T5][Zh1][T14]
sculptureMesopleuron coarsely reticulate rugose, not shiny [Zh1].
color
legs
shape
sculpture
colorApices of fore femora, fore tibia, mid tibia from their middle, hind tibia, except their apices, brownish yellow. Coxae and trochanters black, femora dark brown, apical half of mid tibia, apex of hind tibia and all tarsi brown [T5][T14]. ♂ Legs dark colored, hind femora black or brown [T14].
wings
shape1-R1 distinctly shorter than length of pterostigma [Zh1]. Marginal cell of fore wing 1.5 times as large as 2nd submarginal cell, 1-R1 0.59-0.77 length of pterostigma [T5] [T14]. 3-SR as long as r or twice as long as r, 0.25-0.40 length of SR1, 0.33-0.67 length of 2-SR; SR1 straight or with S-shaped curve [T5].
colorWings weakly darkened. Pterostigma and veins brown, mediocubital and basal veins or also costal veins yellowish [T5].
metasoma
shapeLength of carapace 1.8 - 2.2 times its width in dorsal view. Carapace elongate ellipse, sometimes with weak apical tooth [Zh1]. Metasoma elongated-ovate, widened posteriorly, sometimes at apex with a weak denticle, apically bent forward by 0.1 - 0.15, metasomal length 2.1 - 2.2 times its width [T5][T14], and 3.3 times height in apical 1/3 [T5].
sculptureBasal half of carapace with few, slightly serpentine, but strongly anastomosing longitudinal rugae and in apical half of with dense, fine sculpture and matt [T5][Zh1]. Sculpture of metasoma in its basal half with few, weakly sinuous and strongly anastomosed longitudinal rugae [T14].
colorMetasomal carapace entirely black in female [Zh1].
♂ apertureAperture weakly transverse or height 0.67 times width; occupying 0.18-0.23 width of metasoma [T5]. Apical aperture of carapace less than 1/ 3 width of carapace in posterior view [Zh1]. Aperture occupies 0.2-0.3 times the width of the metasoma [T14].
Microchelonus (Stylochelonus) karadagi Tobias, sp. n.
Material. Holotype Q, Crimea, Karadag, diverse grassy vegetation, 13.V.1972 (Tobias). Paratypes: 4 ♀s, same data, 13-15.V.1972; 3 ♂s, same locality, near forest, 14.V.1972; 1 ♂, same locality, diversity grassy vegetation with Trifolium sp., 11.V. 1972 (Tobias).
Description. ♀. Length of body 3.1-3.2 mm. Head behind eyes weakly widened, width 1.7 times length, 1.1 times height, and 1.25 times width of mesonotum. Genae 1.3-1.5 times as long as eyes. Base of ocellar triangle equal to distance from it to eye. Distance between posterior ocelli 3 times diameter of ocellus. Longitudinal diameter of eye twice transverse diameter, 4-4.5 times height of cheek, and 1.1 times width of face. Height of face 0.67 width. Distance between tentorial pits twice distance from pit to eye. Antennae 23-segmented. Length of 1st flagellar segment 3 times width, length of 6th segment twice width, length of 7th segment 1.5 times width, and length of following segments considerably greater than width; several preapical segments considerably slenderer, length 1.5 times width. Length of mesosoma 1.7-2 times height. Propodeum with weak transverse ridge. Radial cell 1.5 times 2nd radiomedial cell, anterior margin 0.59-0.77 length of pterostigma; 2nd segment of radial vein as long as 1st segment or twice as long as 1st segment, 0.25-0.40 length of 3rd segment, 0.33-0.67 length of 1st radiomedial vein; 3rd segment of radial vein straight or with S-shaped curve. metasoma oblong-oval, sometimes with weak apical tooth, posteriorly bent under as much as 0.1-0.16 length. Length of metasoma 2.1-2.2 width and 3.3 times height in apical 1/3. Ovipositor slightly extended.
metasoma in basal half with few, slightly serpentine, but strongly anastomosing longitudinal rugae and in posterior half with dense, fine sculpturation and matt.
Palpi yellow. Apices of forefemora, foretibia, midtibia from their middle, hindtibia, except their apices, brownish yellow. Coxae and trochanters black, femora dark brown, apical half of midtibia, apex of hindtibia and all tarsi brown. Wings weakly darkened. Pterostigma and veins brown, mediocubital and basal veins or also costal veins yellowish.
♂. Length of body 2.9-3.4 mm. Head behind eyes widened or not widened. Antennae 23 segmented. AAO weakly transverse or height 0.67 width; occupying 0.18-0.23 width of 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):
(2.7) 2.7 - 3.4 (3.6)
(2.7) 2.7 - 3.4 (3.6)
number of antennal segments:
(22) 22 (24)
(22) 22 (24)
head, dorsal view
Head width : length
very narrrow, narrow
very narrrow, narrow
Temples narrowing - widening
parallel, widening
parallel, widening
Eye length : temple length
<= 0.75, 0.75 - 1.0
<= 0.75, 0.75 - 1.0
Roundness temple
strong
strong
POL : OD
2 - 3, 3 - 4
2 - 3, 3 - 4
Ocellar triangle shape
narrow
narrow
Excavation of head
15 - 25%
15 - 25%
head, lateral view
Head height : length
---
---
Eye height : length
short, long
short, long
Temple length : eye length
---
---
head, frontal view
Head width : height
very narrow, narrow
very narrow, narrow
Face width : height
very narrow, narrow
very narrow, narrow
Eyes converging ventrally
distinctly converging
distinctly converging
EH : MSL
very long
very long
Clypeus width : height
very transverse
very transverse
Clypeus extending above bottom of eyes
above
above
Tentorial pits
very large
very large
Shape of lower margin clypeus
convex
convex
antennae
Antennal shape
---
filiform, not widened
Segment 3 length : width
medium
---
Penultimate segment length : width
medium
---
Length of antenna : length of body
---
---
mesosoma, lateral view
Length : height
long
long
transverse carina
weak, indistinct
weak, indistinct
lateral teeth
---
---
mesosoma, ventral view
Prepectal carina lamelliform
indistinct
indistinct
legs
Hind femur length : width ratio
---
---
Hind tibia length : hind tarsus length ratio
---
---
Hind tibia (longest) spur length : metatars length ratio
wings
Vein 1-R1 length : pterostigma length
medium
medium
Vein r length : vein 3-SR length
short
short
Shape vein SR1 (straight / concave / convex)
straight or S-shaped
straight or S-shaped
S-shape vein SR1
apically concave, not S-shaped, apically convex
apically concave, not S-shaped, apically convex
cell M : cell Sm2
Sm2 large, Sm2 medium
Sm2 large, Sm2 medium
Pterostigma length : width ratio
long
long
Angle between radial vein (r) : vein 1-R1
blunt
blunt
metasoma, dorsal view
Length : width ratio of metasoma
medium, long
medium, long
Shape of metasoma
widest towards apex
widest towards apex
metasoma, lateral view
Length : height ratio of metasoma
medium, long
medium, long
posterior : anterior height ratio of metasoma
small, medium
small, medium
Position of maximum height
posterior
posterior
metasoma, ventral view
Metasoma posteriorly curved forwards
just/slightly incurved, (distinctly) incurved
just/slightly incurved, (distinctly) incurved
male apical aperture
Aperture width : metasoma width
no aperture
small, medium, large
Aperture shape
n. a.
(nearly) round, oval
Median process shape
n. a.
vertical carina
sculpture
head
general coarseness
---
---
clypeus
coarseness punctation
---
---
density punctation
---
---
face
sculpture type
---
---
sculpture direction
---
---
vertex and temple
sculpture type
---
---
mesonotum
sculpture type
---
---
scutellum
middle
---
---
lateral
---
---
metasoma
base - mid sculpture
longitudinally rugose / rugose-striate
longitudinally rugose / rugose-striate
sculpture at apex
rugulose
rugulose
coarse / fine boundary
base (to 50%)
base (to 50%)
color
head
mandibles color pattern
---
---
palpi, lightest color
yellow, ivory, white
yellow, ivory, white
antennae
scapus, lightest color
black, dark brown
black, dark brown
segment 3 and 4, lightest color
black, dark brown
black, dark brown
legs
fore coxae lightest colour
dark
dark
fore femur lightest colour
medium light
medium light
fore femur color pattern
tip light
tip light
hind femur lightest colour
dark, medium dark
dark, medium dark
hind femur color pattern
entirely dark
entirely dark
hind tibia lightest colour
medium light
medium light
hind tibia color pattern
wide light base
wide light base
hind basitarsus lightest colour
medium dark
medium dark
hind tarsus segment 2-3 lightest colour
medium dark
medium dark
wings
middle veins lightest colour
medium dark
medium dark
basal veins lightest colour
medium light, light
medium light, light
metasoma
metasoma colour pattern
entirely dark
entirely dark
metasoma lightest colour
dark
dark
metasoma base, colour pattern
entirely dark
entirely dark
metasoma base, light spots
n.a.
n.a.
metasoma base, light band
n.a.
n.a.
Chelonus karadagi in published keys
T5: Tobias 1995a
A new subgenus and species of the genus microchelonus (hymenoptera, braconidae) with some comments on synonymy.
