Limerodops elongatus (BRISCHKE)

A. M, 2011, Illustrated key to the genera of the subtribe Amblytelina of Palaearctic (Hymenoptera, Ichneumonidae, Ichneumoninae, Ichneumonini), Linzer biologische Beiträge 43 (1), pp. 597-711 : 653-657

Limerodops elongatus (BRISCHKE) (Plate 8)

Amblyteles subsericans var. elongatus BRISCHKE 1878 - Schr. Naturf. Gesell. Danzig (n.f.) 4 (3): 47,.

Limerodops elongatus: HEINRICH 1949 - Mitt. Münchner Ent. Gesell. 35-39: 44.

Limerodops elongata: TOWNES et al. 1965 - Mem. Amer. Ent. Inst. 5: 503.

Limerodops elongatus: RASNITSYN 1981 - Opr. Faun. SSSR 3 (3): 618.

F e m a l e

F l a g e l l u m: Bristle-shaped, with 42 segments, thin, first segment approximately 3 times longer than the width at apex, with white annulus on segments (8)9-13(14), only just visible flattened and not widened beyond middle; segments up to white annulus distinctly differentiated, square from lateral segments from white annulus. Flagellum almost 1,4 times shorter than the front wing and 2,2 times shorter than body length.

H e a d: Head contour from front rather strongly narrowed downwards, only just transverse, only 1,1 times wider than height; genae from front (malar space) 4 times shorter than height of an eye (0,3); head contour from above transverse, 2,3 times wider than length in middle and 1,8 times along an external contour, roundly narrowed backwards behind eyes. Vertex from lateral straightly sloping from hind borders of ocelli to occipital carina; temples long, in the middle 1,2 times longer than longitudinal diameter of an eye, parallel to hind margin of an eye, from above roundly narrowed behind eyes (not swollen); occipital carina sharp all round, from above strongly roundly impressed, but far not reach level of eyes and hind ocelli; hypostomal carina not visible from lateral, occipital carina meeting with hypostomal carina before base of mandible; abscissula 1,4 times shorter than mandible base width; malar space 1,4 times shorter than the mandible base width; mandibles normal, evenly narrowed from base to apex, upper tooth considerably longer than lower one; clypeus only just convex, 2 times wider than length, with straight front margin and distinctly expressed lateral corners with row of punctures along front margin, separated from face by very slight impression; clypeal foveae big, deep; labrum protrude from under clypeus, rounded by front margin; middle field of face only just elevated, narrow, in middle 2 times narrower than lateral fields; antennal cavities very deeply impressed, reach borders of eyes and far not reach front ocellus level, laterally above antennal fossae with tubercles and with slight interantennal tubercle; margins of antennal fossae distinctly elevated above face surface; ocelli of normal size, distinctly convex, diameter of lateral ocellus 1,5 times less than distance from ocellus to eye; ocellar triangle almost not expressed. Surface of face and clypeus with big punctures, polished, upper part of face wrinkly-punctured between middle and lateral fields, face with weak microsculpture; frons roughly wrinkly-punctured, temples densely punctured by big smoothed punctures.

T h o r a x: Collar of pronotum from above rather long with straight front margin; transverse furrow of pronotum deep; pronotal ridge not swollen; epomiae sharp, high; pronotal base sharply and gradually curved; lateral surface of pronotum roughly wrinkly-punctured. Mesonotum rather strongly convex, 1,2 times longer than width; notauli only in a form of very slight impressions at base; lateral furrow of mesonotum behind tegulae deep and wide; surface of mesonotum densely punctured, median lobe to slightly wrinkled, without microsculpture; axillary tongue not developed; prepectal carina upwardly not reach front border of mesopleurae; subalarum high, thin, but not sharpened; speculum densely punctured; mesopleural fovea sharp, area around it narrowly and deeply impressed; mesopleural suture straight, deep, interrupted by sharp ribs; mesopleurae at bottom with distinct but gradual bend; sternauli in a form of very slight impressions up to middle of mesopleurae; most part of mesopleurae wrinkly-punctured; scutellum slightly convex at horizontal part, not carinated laterally, rather high elevated above postscutellum, gradually slanted backwards. Hind margin of metanotum with broad triangular projections opposite of lateral longitudinal carinae. Propodeum from lateral with angular break, roundly-convex, length of horizontal part 1,8 times shorter than length of area posteromedia in middle; carinae of propodeum, with exception of costulae, sharp (coxal carina slightly expressed); basal area short and deep; area superomedia quadrangular, some wider than length in middle; carinae of apical part of propodeum high; areae dentiparae at apices without teeth; spiracles long, slit-shaped, along external contour 3,2 times longer than width. Surface of propodeum, including metapleurae, roughly wrinkly-punctured shining.

L e g s: Slender. Claws slightly gradually curved.

W i n g s: Areolet pentagonal, with wide base, practically symmetrical; stigma normal, light; radial cell narrow, long; radius very slightly sinuous, almost straight; nervulus postfurcal; ramulus expressed, but weak; all veins moderately dark; membrane of wing hyaline. Front wing considerably longer than length of flagellum and shorter than body length.

A b d o m e n:Amblypygous, from above narrow, long, narrowed to apex, lateral margins of tergites 4-7 bent inside, tergite 7 from above protrude on length of scutellum; second tergite long, at apex 1,4 times narrower than length in middle; sheath of ovipositor not visible from above. First tergite from lateral with sharp bend between petiolus and postpetiolus, narrow at base, from lateral bordered by smoothed carinae and with smoothed, only just expressed transversal ribs between them; from above petiolus gradually widened to broad postpetiolus; distance between spiracles 1,5 times more than distance from spiracles to hind margin of tergite; middle field of postpetiolus distinctly elevated, 2-2,5 times wider than lateral fields, its surface delicately longitudinally striated. Gastrocoeli narrow, many narrower than interval between them, with strong longitudinal ribs, rather deeply impressed; thyridiae only just marked or not expressed; lunulae distinct, high elevated; interval between gastrocoeli sharply striated, surface of second tergite up to apex densely delicately wrinkly-punctured; tergite 3 in middle very delicately longitudinally striated, shagreen laterally, other tergites shagreen, shining. Hypopygium very narrow, long, overlap ovipositor sheath; only sternite 2 slightly unsclerotized.

C o l o r a t i o n: Body entirely black with exception of white scutellum and sometimes narrow median stripe on tergite 7; legs, except coxae and trochanters red, hind tarsi darkened.

S i z e: Body length: 15,3; front wing: 10,0; flagellum: 7,0 mm.

M a l e

Flagellum of male not ribbed with long row of narrow tyloides on segments 2-17, without white annulus. Profile of genae from front slightly impressed. Mesopleurae in comparison with females with more delicate sculpture; scutellum more high elevated above postscutellum; costulae marked. Abdomen narrow, parallel-sided, apex slightly swollen because of increased genitalia; second and third sternites with fold. Hypopygium apically with triangularly extended and pointed central part, without long process. White coloration more expanded: face and clypeus entirely and frontal orbits, mandibles, hind corners of pronotum, subalarum and scutellum; front and middle coxae and trochanters with reach yellow pattern, femora and tarsi of all legs red, hind tarsi darkened at apices.

Limerodops violentus nov.sp. (Plate 9) H o l o t y p e, Russia, Far East, Primorskij kraj, Kajmanovka at Ussurijsk, 43 o 38’N-

132 o 14’E, 05.08.199 2, leg. А. Tereshkin. The holotype is deposited in the collection of Zoologycal Institute of St. Petersburg.

P a r a t y p e, (destroyed in part), same place, 08.198 3.

Besides of metallic-violet coloration and peculiar white pattern, abdomen of describing species in contrast to European species of the genus is not narrowed to apex. Abdomen from apex of second to almost last tergite is parallel-sided.

F e m a l e

F l a g e l l u m: Bristle-shaped, with 37 segments, moderately stout, first segment approximately 2,2 times longer than the width at apex, with white annulus on segments 8-11, slightly flattened and widened beyond white annulus; segments up to white annulus distinctly differentiated, square from lateral segments from white annulus. Flagellum almost 1,3 times shorter than the front wings and 1,9 times shorter than body length.

H e a d: Head contour from front rather strongly narrowed downwards, only just transverse, only 1,2 times wider than height; genae length (malar space) from front 5,2 times shorter than height of an eye (0,2), genae from front visible up to 0,1 height of an eye; head contour from above transverse, 2,2 times wider than length in middle and 1,8 times along an external contour, roundly narrowed backwards behind eyes. Vertex from lateral straightly sloping from ocelli to occipital carina; temples long, in the middle equal to longitudinal diameter of an eye, parallel to hind margin of an eye, from above roundly narrowed behind eyes (not swollen); occipital carina sharp all round, from above strongly roundly impressed, but far not reach level of eyes and hind ocelli; hypostomal carina not visible from lateral, occipital carina meeting with hypostomal carina some before base of mandible; abscissula short, 2,8 times shorter than mandible base width; malar space 1,4 times shorter than the mandible base width; mandibles normal, almost parallel-sided in middle part, upper tooth considerably longer than lower one; clypeus only just convex, 2,5 times wider than length, with straight thinned front margin and rounded lateral corners, separated from face by very slight impression; clypeal foveae small, deep; labrum not protrude from under clypeus; middle field of face only just elevated, narrow, in middle 1,5 times narrower than lateral fields; antennal cavities very deeply impressed, reach borders of eyes and far not reach front ocellus level, laterally above antennal fossae with tubercles and with small but pointed interantennal tubercle; margins of antennal fossae distinctly elevated above face surface; ocelli of normal size, distinctly convex, diameter of lateral ocellus 1,3 times less than distance from ocellus to eye; ocellar triangle almost not expressed. Surface of face and clypeus densely punctured, polished between punctures, upper part of face slightly wrinkly-punctured between middle and lateral fields; frons slightly wrinkly-punctured; vertex between eye and ocellus with microsculpture, temples punctured by smoothed indistinct punctures, shining.

T h o r a x: Collar of pronotum from above rather long with straight front margin; transverse furrow of pronotum deep, narrow; pronotal ridge not swollen; epomiae sharp; pronotal base sharply sinuous; lateral surface of pronotum from below superficially-wrinkled, from above slightly punctured, shining. Mesonotum slightly convex, 1,2 times longer than width; notauli absent; lateral furrow of mesonotum deep, narrow; surface of mesonotum punctured by superficial punctures, shining; axillary tongue distinguishable but very slightly developed; prepectal carina upwardly not reach pronotum; subalarum high, thick, not sharpened; speculum slightly wrinkly-punctured; area of mesopleural fovea narrowly deeply impressed; mesopleural suture straight, deep, interrupted by sharp ribs; mesopleurae at bottom with distinct but gradual bend; sternauli not expressed; most part of mesopleurae punctured by big punctures, central part slightly wrinkled; scutellum from lateral gradually roundly slanting down to postscutellum (rather convex in profile), not carinated laterally. Hind margin of metanotum with broad triangular projections opposite of lateral longitudinal carinae. Propodeum from lateral with angular break, length of horizontal part 1,2 times shorter than length of area posteromedia in middle; carinae of propodeum, with exception of costulae and carina between area basalis and area superomedia distinct; basal area short and deep; area superomedia square, slightly narrowed in front; apices of areae dentiparae without teeth; external carina of area dentipara almost parallel to metapleural one; spiracles long, along external contour 2 times longer than width at middle. Surface of propodeum with exception of area superomedia wrinklypunctured, shining; metapleurae punctured by big punctures.

L e g s: Slender. Hind coxae without scopa. Claws strongly curved almost at right angle.

W i n g s: Areolet pentagonal, with narrow base, slightly asymmetrical, external vein of base longer than internal one and of apex shorter; stigma normal, light; radial cell long; radius very slightly sinuous; nervulus postfurcal; ramulus only just expressed; veins dark; membrane of wing hyaline. Front wing considerably longer than length of flagellum and shorter than body length.

A b d o m e n: Amblypygous, from above narrow, long, up to tergite 7 practically parallel-sided, anterior tergites with strong constrictions, lateral margins of tergites 5-7 bent inside, tergite 7 from above very long, equal by length to tergite 6 and protrude on length of first segment of middle tarsi; second tergite long, at apex 1,4 times narrower than length in middle; sheath of ovipositor not visible from above. First tergite from lateral with sharp bend between petiolus and postpetiolus, narrow at base, from lateral not bordered by carinae, lateral surface entirely smooth, shining; from above petiolus gradually widened to broad postpetiolus; distance between spiracles 1,5 times more than distance from spiracles to hind margin of tergite; middle field of postpetiolus distinctly elevated, 1,4 times wider than lateral fields, its surface smoothly longitudinally striated. Gastrocoeli narrow, many narrower than an interval, long, with only just expressed or distinct longitudinal ribs, oblique and deeply impressed; thyridia small, but expressed; lunulae distinct, of moderate size, impressed; interval between gastrocoeli and middle part of second tergite up to apex longitudinally-wrinkled (striated), other part of second tergite punctured by superficial punctures, more small and superficial to apex; tergite 3 in middle in a front third densely punctured by small superficial punctures, other tergites smooth, shining. Hypopygium broad, with rounded apex, not compressed from sides; apices of ovipositor sheath only just visible from side; sternites strongly sclerotized, only sternite 2 with more slight sclerotization but without fold.

C o l o r a t i o n: Body black with metallic-violet or bluish tint, scutellum sometimes with light spot, frontal orbits narrowly white, first tergite of abdomen with white spots at hind corners; legs black, front femora with white spot at apices, front tibiae from front, middle and hind tibiae with white ring at base, first tarsus of hind tarsi almost to apex white.

S i z e: Body length: 13,5; front wing: 9,0; flagellum: 7,2 mm.

M a l e

Sculpture of abdomen is more rough, all tergites sculptured. Hypopygium of male apically with triangularly extended central part, rounded at apex. White coloration more expanded: spots on hind corners of pronotum, on subalarum, on scutellum, postpetiolus along hind border and spots on hind corners of tergites 2-3 of abdomen; tibiae and tarsi predominantly white.