shapeNarrowed roundly behind eyes, about temples narrower than about eyes, twice as broad as long, in frontal view 1.2 times as broad as high. Ocellar triangle shorter than OOL. POL 4 times longer than Od. Temples 1.5 - 1.6 times as long as transverse eye diameter. In frontal view eye 2.5 times as high as long, 3.0 - 2.5 times as long as malar space. Face is twice as broad as high, 1.5 times as broad as longitudinal diameter of eye, twice higher than clypeus. Maxillary palpi as long as height of face [TL][T14].
shape ♂Antennae with 20 segments, shorter than body, longer than head and mesosoma combined and reaching to about middle of carapace. Scape widened, twice as long as wide; 3rd segment 3 times as long as wide, apical segments 1.5 times as long as wide [TL].
color
mesosoma
shape1.5 times as long as high. Propodeum with a transverse carina, polished centrally, and small and sharp lateral teeth. Two medial longitudinal carinas form a central keel [TL].
sculptureMesonotum rugose punctate, anteriorly faintly shining. Sides of mesonotum rugose punctate. Scutellum punctate, centrally smoother and shining. Propodeum rugulose punctate, area of leveled transverse carina smoother and faintly shiny [TL].
color
legs
shapeHind femur 3.5 times as long as wide. Outer and inner spurs of hind tibiae equal in length, as long as 1/2 of 1st metatarsal segment, 5th segment as long as 3rd, a little shorter than 2nd, 1.3 times longer than 4th [TL].
sculpture
colorLegs dark: coxae almost black; fore femora brown with lightly apex, tibiae brown-yellowish with yellowish basal part, tarsi brown-yellowish; hind femora dark-brown, hind tibiae brown with yellowish basal part, tarsi light-brown [TL].
wings
shapeLength of 1-R1 almost half as long as length of pterostigma. Marginal cell 1.5 times greater than 2nd submarginal cell. 3-SR short, 1.5 times shorter than r and 5 times shorter than SRI. 1-CU1 shorter than cu-a [TL].
colorWings faintly infuscate with a transparent belt along medial vein. Pterostigma and veins brown-yellowish [TL].
metasoma
shapeCarapace oval, twice as long as maximal width, with almost parallel sides, rectilinearly narrowed basally. In lateral view about twice as high posteriorly as anteriorly [TL]. Metasoma twice as long as high [T14].
sculptureCarapace longitudinally finely rugulose over its basal third, weak undulations reaching till half, rest of carapace without longitudinal elements of sculpture [TL].
colorArea around aperture partially dark-brownish [TL].
♀ ovipositor
♂ apertureAperture oval triangular-formed, 0.6 as broad as carapace, about 0.3 height of carapace [TL]. Aperture is triangular in shape, widened downward [T14].
other info
distributionCZ [FE].
remarksThis species is clearly defined by shortened 1-R1, the shortened r [3-SR?], and the shape of carapace and triangular-formed aperture [TL].
hosts
figures
fig. 1: ♂ head in dorsal view (Tobias & Lozan 2003)
fig. 2: ♂ head in frontal view (Tobias & Lozan 2003)
M a l e T y p e m a t e r i a l e x a m i n e d : Holotype: ČR, Brno, Moravia, 14.VIII. 1942, Igt. Šnoflák, Id. E t y m o l o g y : The species is named for the region (Moravia, Czech Republic) from which it is described
D i m e n s i o n s : Body length 3.0mm.
H e a d : Narrowed roundly behind eyes, about temples narrower than about eyes, twice as broad as long, in frontal view 1.2 times as broad as high. Ocellar triangle shorter than OOL. POL 4 times longer than Od. Temples 1.6 times longer than LO. In frontal view eye 2.5 times as high as long, about twice as long as malar space. Face twice broad as high, 1.5 times as broad as LD, twice higher than clypeus. Maxillary palpi as long as height of face. Antennae with 20 segments, shorter than body, longer than head and mesosoma combined and reaching to about middle of carapace. Scape widened, twice as long as wide; 1st flagellum segment 3 times as long as wide, apical segments 1.5 times as long as wide.
M e s o s o m a : 1.5 times as long as high. Propodeum with a transverse carina, polished centrally, and small and sharp lateral tubercles.
W i n g s : Length of cell R along metacarp almost 0.5 as long as length of pterostigma. Cell R 1.5 times greater than 2Cu. 3-SR short, 1.5 times shorter than r and 5 times shorter than SRI. 1-CU1 shorter than cu-a.
L e g s : Hind femur 3.5 times as long as broad. Outer and inner spurs of hind tibiae equal in length, as long as 1/2 of 1st metatarsal segment, 5th segment as long as 3rd, a little shorter than 2nd, 1.3 times longer than 4lh.
M e t a s o m a : Carapace oval, twice as long as maximal broad, with almost parallel sides, rectilinearly narrowed basally. In lateral view about twice as high posteriorly as anteriorly. AMA oval triangular-formed, 0.6 as broad as carapace, about 0.3 height of carapace.
S c u l p t u r e : Face fine striate. Vertex finelly transversely striate. Temple finely longitudinally striate. Clypeus finely punctate, shining. Mesonotum rugose punctate, anteriorly faintly shining. Sides of mesonotum rugose punctate. Scutellum punctate, centrally smoother and shining. Propodeum rugulose punctate, area of leveled transverse carina smoother and faintly shiny; two medial longitudinal carinas form a central keel. Carapace longitudinally fine rugulose over its 1/3, weak undulations reaching till its 1/2. Another part of carapace without longitudinal elements of sculpture.
C o l o u r : Body black. Palpi brown. Area around AMA partially dark-brownish. Legs dark: coxae almost black; fore femora brown with lightly apex, tibiae brown-yellowish with yellowish basal part, tarsi brown-yellowish; hind femora dark-brown, tibiae brown with yellowish basal part, tarsi light-brown. Wings faintly infuscate with a transparent belt along medial vein. Pterostigma and veins brown-yellowish.
D i a g n o s i s : This species is clearly defined by shortened cell R along the metacarp, the shortened r, and the shape of carapace and triangular-formed AMA.
D i s t r i b u t i o n : Czech Republic.
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 - 3.1 (3.3)
(2.7) 2.7 - 3.1 (3.3)
number of antennal segments:
16
19 - 21
head, dorsal view
Head width : length
wide
wide
Temples narrowing - widening
parallel
parallel
Eye length : temple length
<= 0.75, 0.75 - 1.0
<= 0.75, 0.75 - 1.0
Roundness temple
very strong, strong
very strong, strong
POL : OD
3 - 4, > 4
3 - 4, > 4
Ocellar triangle shape
narrow
narrow
Excavation of head
15 - 25%
15 - 25%
head, lateral view
Head height : length
---
---
Eye height : length
---
---
Temple length : eye length
---
---
head, frontal view
Head width : height
very narrow, narrow
very narrow, narrow
Face width : height
wide, very wide
wide, very wide
Eyes converging ventrally
distinctly diverging
distinctly diverging
EH : MSL
short
short
Clypeus width : height
very transverse
very transverse
Clypeus extending above bottom of eyes
far below
far below
Tentorial pits
very small
very small
Shape of lower margin clypeus
convex, truncate
convex, truncate
antennae
Antennal shape
---
filiform, not widened
Segment 3 length : width
---
medium
Penultimate segment length : width
---
medium
Length of antenna : length of body
---
3: long
mesosoma, lateral view
Length : height
medium
medium
transverse carina
present
present
lateral teeth
weak, small, short
weak, small, short
mesosoma, ventral view
Prepectal carina lamelliform
indistinct
indistinct
legs
Hind femur length : width ratio
medium
medium
Hind tibia length : hind tarsus length ratio
---
---
Hind tibia (longest) spur length : metatars length ratio
long
long
wings
Vein 1-R1 length : pterostigma length
short
short
Vein r length : vein 3-SR length
long
long
Shape vein SR1 (straight / concave / convex)
slightly concave, straight or S-shaped
slightly concave, straight or S-shaped
S-shape vein SR1
not S-shaped
not S-shaped
cell M : cell Sm2
Sm2 large, Sm2 medium
Sm2 large, Sm2 medium
Pterostigma length : width ratio
short, medium
short, medium
Angle between radial vein (r) : vein 1-R1
sharp, medium
sharp, medium
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
short, medium
short, medium
posterior : anterior height ratio of metasoma
medium
medium
Position of maximum height
medium-posterior
medium-posterior, posterior
metasoma, ventral view
Metasoma posteriorly curved forwards
---
---
male apical aperture
Aperture width : metasoma width
no aperture
medium
Aperture shape
n. a.
(nearly) round, oval
Median process shape
n. a.
horizontal, nearly round
sculpture
head
general coarseness
fine
fine
clypeus
coarseness punctation
punctulate
punctulate
density punctation
---
---
face
sculpture type
striate
striate
sculpture direction
---
---
vertex and temple
sculpture type
striate (striolate)
striate (striolate)
mesonotum
sculpture type
---
---
scutellum
middle
smooth, punctate
smooth, punctate
lateral
punctate
punctate
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
brown, red
brown, red
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
dark
hind femur color pattern
entirely dark
entirely dark
hind tibia lightest colour
medium light
medium light
hind tibia color pattern
narrow light base
narrow light base
hind basitarsus lightest colour
medium light
medium light
hind tarsus segment 2-3 lightest colour
medium light
medium light
wings
middle veins lightest colour
medium light
medium light
basal veins lightest colour
medium light
medium 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 moravicus in published keys
TL: Tobias & Lozan 2003
Central-European species of Microchelonus Szépligeti (Hymenoptera, Braconidae) with very big apical metasomal aperture of males.
T14: Tobias, 2010
Palearctic species of Microchelonus Szépligeti (Hymenoptera: Braconidae, Cheloninae): key to species.