Pithotomus tschitscherini (KOKUJEV)

Tereshkin, A. M., 2013, Guide to preparing scientific illustrations in Entomology on an example of Ichneumonidae (Hymenoptera), Linzer biologische Beiträge 45 (2), pp. 1047-1277 : 1222-1225

Pithotomus tschitscherini (KOKUJEV) (Plate 8)

Anisobas tschitscherini KOKUJEV 1904 - Rus. entom. obozr., 4 ,2: 199,.

Pithotomus rufiventris armenicus: HEINRICH 1978. - East. Pal. Ichn.: 78,.

Pithotomus rufiventris: HEINRICH 1980 - Spixiana, 3 ,3: 225.

Pithotomus tschitscherini: RASNITSYN 1984 - Entomol. obozr., 63 ,4: 794-796.

F e m a l e

F l a g e l l u m: Short, filiform, with 27 segments, without white annulus, slightly rufous, slightly widened and not flattened at the apical third (1); basal segments short, first segment 2 times longer than width at apex, segment 9 square from lateral. Flagellum 1,7 times shorter than the front wing and 2,3 times shorter than body length.

H e a d: Head contour from front slightly roundly narrowed downwards, rounded, with equal length and breadth; temples from front visible up to upper third of an eye (2); eyes not great; head from above stout, transverse, 1,6 times wider than length. Vertex from lateral roundly slanting down to occipital carina; (3); temples behind eyes from above roundly swollen (4), width of a head at level of temples more than at level of eyes; from lateral temples long, 1,4 times longer than longitudinal diameter of eye at middle (5), parallel to hind margin of an eye; occipital carina sharp all round, moderately high, from above roundly concaved, far not reach level of hind ocelli, and eyes (6) meeting with hypostomal carina on base of mandible (7); hypostomal carina not visible from lateral; malar space 1,5 times shorter than the mandible base width; mandibles wide and massive, sharply curved from above behind base almost at right angle, not narrowed to apex, parallelsided at most part and slightly swollen at apex, with two strong teeth separated by wide gape and situated in the same plane, upper tooth considerably longer than lower one (8); clypeus flat, transverse (9), 3,6 times wider than length, practically not separated from face (only by slight broad impression) (10), of peculiar shape, with impressed, thinned apex with broad medial projection (11) and enough distinct, but rounded lateral corners (12) and slightly elevated lateral margins under clypeal foveae (13); clypeal foveae (14) indistinct, only in a form of broad impressions between clypeus and lateral fields of face extended up to malar space; labrum slightly protrude from under clypeus, short, roundlytriangular, narrower than front margin of clypeus; surface of face slightly differentiated, clypeus separated from lateral fields of face enough distinctly (unlike other genera of tribe); middle field of face very slightly but distinctly expressed (15), 1,6 times wider than lateral fields in middle (16); antennal cavities (17) not big, deeply impressed, far not reach level of front ocellus and only just reach borders of eyes, laterally above antennal fossae with distinct lateral tubercles (18) and without of interantennal tubercle; margins of antennal fossae (19) slightly elevated above face surface (20); frons some under front ocellus with broad impression (21); ocelli moderately convex, small (22), diameter of lateral ocellus (23) 1,8 times less than distance from ocellus to eye; ocellar triangle not

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Plate 8: Complete table of pictures of species Pithotomus tschitscherini (KOKUJEV 1904) with numbering of characters (see description in the text).

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expressed, but area of a head at place of ocelli high elevated above upper level of eyes (24). Clypeus in lower half smooth, shining, in upper one punctured by merged smoothed punctures; malar space with microsculpture in part (25); face very densely punctured, shining, without microsculpture, in place of borders between lateral and middle field big punctures practically merged forming smoothed wrinkling; temples punctured by smoothed punctures up to middle in longitudinal direction, polished.

T h o r a x: Collar of pronotum long, front margin of pronotum straight from above; transverse furrow of pronotum shallow, broad, interrupted by keel; pronotal base only just sinuous, practically evenly curved (26), lower angle very sharp; pronotal ridge (27) thickened; epomiae sharp (28); surface of pronotum in lower half smoothly-wrikled, in upper one with smoothed punctures, polished; ribs at hind border of pronotum practically not expressed. Mesonotum (29) convex, only just longer than width; notauli not developed; lateral furrow of mesonotum deep in hind half; surface of mesonotum punctured by big smoothed punctures, polished; axillary tongue not developed; prepectus (30) behind front coxae deeply impressed; prepectal carina sharp (31), at apex only just reach front margin of mesopleurae; subalarum (32) normal, high, not sharpened; speculum (33) smooth, shining with sparse punctures; area of mesopleural fovea (34) deeply and broadly impressed, forms with mesopleural suture unit impression to hind margin of mesopleurae; mesopleural suture interrupted by weak ribs (35); lower part of mesopleurae not separated angularly (36); sternauli not expressed; upper part of mesopleurae densely punctured by smoothed only just merged oblonged punctures, lower one smoothly wrinkly-punctured; surface of mesopleurae shining, without microsculpture; scutellum from lateral roundly convex (37), high elevated above postscutelum (38), laterally not carinated, its surface with sparse big smoothed punctures, smooth, shining; scuto-scutellar groove broad and deep. Hind margin of metanotum with triangular projections opposite lateral longitudinal carinae (39). Propodeum from lateral roundly slanted backwards (40); horizontal part 3,2 times shorter than length of area posteromedia in middle; all carinae of propodeum developed; basal area (41) rather long, not impressed; area superomedia (42) half-moon-shaped, transverse, 3,2 times shorter than breadth between costulae, costulae (43) weak; area dentipara without tooth at apex (44), only with broadened transversal carina (45); lateral longitudinal carina (46) practically parallel to carina metapleuralis (47); spiracles (48) long, 2,3 times longer than width along external contour. Surface of propodeum, from punctured in front from costulae by big smoothed punctures to wrinkly-punctured area dentipara and area posteromedia, shining; area basalis and area superomedia not sculptured; area spiraculifera from wrinkly-punctured behind spiracles (49) to densely punctured by merged punctures in front of them (50); metapleurae (51) punctured by big smoothed punctures, shining.

L e g s: Quite slender; hind coxae densely punctured by small punctures, shining, without scopa; claws smooth, smoothly and quite slightly and evenly curved, slightly widened at base (52).

W i n g s: Areolet (53) big, pentagonal, symmetrical, with wide base; radius almost straight (54), radial cell broad and long (55); nervulus (56) interstitial or only just visible postfurcal; ramulus (57) quite long; stigma (58) dark and quite broad and long; all veins of hind wing developed; membrane of wing hyaline, veins dark. Front wing 1,3 times shorter than body length.

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A b d o m e n:Amblypygous, long, from above quite narrow with oblong apex; second tergite only just transversal, 1,1 times shorter than breadth at apex; tergites 2 and 3 quite strongly separated; tergites 6-7 projected on considerable length; sides of tergite 6 bending far onto the ventral side almost closing above hypopygium (as of some Limerodops HEINRICH ); sheath of ovipositor from above only just protrude. Petiolus not flattened at base, dorsomedian carinae (59) visible only from base up to middle of tergite, dorsolateral carina (60) weak, ventrolateral carina (61) sharp; lateral surface of petiolus with distinct transversal ribs (62); petiolus from lateral with distinct but gradual transforming to postpetiolus (63), from above gradually broadened to postpetiolus (64); spiracles (65) small, distance between them 1,4 times more than distance from spiracles to apex of tergite; middle field (66) only slightly elevated and not carinated; its surface smooth, or sometimes with only just visible smoothed longitudinal striation, shining, with distinct impression at level of spiracles; lateral fields punctured (67). Gastrocoeli (68) not big, slightly but distinctly impressed, many narrower than interval between them (69); thyridia absent; lunulae (70) of moderate size in a form of more or less distinct impressions behind middle; interval between gastrocoeli (69) with slight longitudinal wrinkling at base; surface of second tergite very densely punctured by smoothed irregular punctures, medially punctures more big and elongated, shining, without microsculpture; puncturation of tergites more delicate to apex of abdomen; abdomen polished. Hypopygium (71) not compressed from sides with oblong apex, overlap slit of ovipositor, but not reach apex of ovipositor sheath. Sternites 2-4 strongly unsclerotized, with fold (72).

C o l o r a t i o n: Head and thorax black; white: narrow stripes at top of external orbits (73), pronotal ridge broadly (27), subalarum (32) and scutellum entirely (37). Abdomen red with darkened apex, white: apical stripes on tergites 5-6 (74) and spot on tergite 7 (75). Legs with exception of coxae and trochanters brownish-red; front tibiae with yellowish stripe outside.

S i z e: Body length - 8,5, flagellum - 3,7; front wing - 6,4 mm.

M a l e

Flagellum of males with 31 segments and broadly-oval tyloides (76) on segments 7-21, tyloides on segments 10-17 very big, almost on all length of segments. Carinae of propodeum more sharp and high. Unlike of females broad white bands not only on tergites 5-6, but on tergite 4, and tergite 7 white entirely.