Diaparsis Förster, 1869

Khalaim, Andrey I., 2013, Afrotropical species of Diaparsis Förster, 1869 (Hymenoptera: Ichneumonidae: Tersilochinae), African Invertebrates 54 (1), pp. 127-127 : 128-130

publication ID	https://doi.org/ 10.5733/afin.054.0104
DOI	https://doi.org/10.5281/zenodo.7661935
persistent identifier	https://treatment.plazi.org/id/D53B87D8-FFF9-FFFB-9ECB-FC22FBA6FAA2
treatment provided by	Felipe
scientific name	Diaparsis Förster, 1869
status

Treatment

Genus Diaparsis Förster, 1869 View in CoL View at ENA

Type species: Porizon nutritor (Fabricius, 1804) sensu Gravenhorst, 1829 (= Porizon truncatus Gravenhorst ).

Key to Afrotropical species of Diaparsis View in CoL

1 Basal keel of propodeum about as long as apical area ( Fig. 5 View Figs 1–6 ). Apical area very broadly rounded anteriorly ( Fig. 5 View Figs 1–6 ). Propodeal spiracle very small, separated from pleural carina by 4.0–5.0 diameters of spiracle ( Fig. 4 View Figs 1–6 ). Ovipositor very short, conspicuously thickened at apex ( Fig. 6 View Figs 1–6 ), sheath much shorter than first tergite. Legs entirely yellow ( Fig. 1 View Figs 1–6 ). Flagellum filiform, with 26 segments in female ( Fig. 3 View Figs 1–6 ) and 24 segments in male ............................................... abstata sp. n., ♀ ♂

– Basal keel of propodeum distinctly shorter than apical area.Apical area not especially broad, pointed or narrowly rounded anteriorly. Distance between propodeal spiracle and pleural carina usually shorter. Ovipositor usually much longer, its apex usually not as above. Legs yellow to brown, hind coxa often fuscous. Flagellum sometimes clavate, usually with fewer segments..................................................2

2 First tergite white in basal 0.7, blackish in apical 0.3 ( Fig. 47 View Figs 43–49 ). Clypeus almost entirely densely and evenly punctate with only extreme lower margin impunctate. Ovipositor short and robust ( Fig. 43 View Figs 43–49 ), its sheath about 0.6× as long as first tergite .............................................................................................. mostovskii sp. n., ♀ ♂

– First tergite entirely dark brown or black. Clypeus usually sparsely punctate in its upper part and impunctate in lower part. Ovipositor sheath at least as long as first tergite......................................................................................................................3

3 Second recurrent vein interstitial ( Figs 19 View Figs 15–20 , 26 View Figs 21–27 ). Face, frons, mesoscutum, mesopleuron and dorsolateral area of propodeum with coarse and dense punctures ( Figs 17, 20 View Figs 15–20 , 23 View Figs 21–27 ); distance between punctures mostly shorter than one diameter of puncture...4

– Second recurrent vein postfurcal. Face, frons, mesoscutum, mesopleuron and dorsolateral area of propodeum often impunctate or with fine and sparse punctures ... ................................................................................................................................5

4 Metacarp almost reaching apex of fore wing ( Fig. 19 View Figs 15–20 ). Malar space short, about 0.4× as long as basal width of mandible.Anterior margin of pronotum broadly yellowish or reddish brown ( Fig. 15 View Figs 15–20 ). Flagellum of female with conspicuous median pale band ( Fig. 16 View Figs 15–20 ).............................................................................. interstitialis sp. n., ♀ ♂

– Metacarp ending far short of fore wing apex ( Fig. 26 View Figs 21–27 ). Malar space as long as basal width of mandible. Pronotum entirely black. Flagellum without pale band............ .................................................................................................... inusitata sp. n., ♀

5 Ovipositor distinctly sinuate at apex, sheath more than 3.0× as long as first tergite. Flagellum filiform and slender, with 18–20 segments. Head and mesosoma granulate, impunctate. Malar space 1.2× as long as basal width of mandible. Propodeal spiracle separated from pleural carina by 2.5× diameter of spiracle. Small species with body length 3.0– 3.4 mm ..................... ramassamy Rousse et Villemant , ♀ ♂

– Ovipositor more or less evenly upcurved, not sinuate at apex; sheath usually much shorter. Other characters varied.............................................................................6

6 Flagellum of female with 15–18 segments, filiform or narrowed towards apex ( Figs 7 View Figs 7–12 , 13 View Fig , 35 View Figs 34–37 , 59 View Figs 58–63 ). Male unknown................................................................................7

– Flagellum with 19–27 segments, in female distinctly clavate at apex ( Figs 31 View Figs 28–33 , 50 View Figs 50–57 , 75 View Figs 72–76 ) (except D. voluptuosa , which has flagellum filiform but 22–23segmented)..................................................................................................................................10

7 Basal keel of propodeum very short, about 0.1× as long as apical area ( Fig. 14 View Fig ). Tergite 2 of metasoma more than twice as long as broad anteriorly. Foveate groove of mesopleuron very weak, virtually absent. Hind wing with nervellus strongly reclivous, slanted at about 45°. Seychelles....................... evanescens (Morley) , ♀

– Basal keel of propodeum longer, at least 0.3× as long as apical area. Tergite 2 of metasoma shorter, 1.3–2.0× as long as broad anteriorly. Foveate groove of mesopleuron well developed. Hind wing with nervellus less reclivous, at most slanted at 10°. Continental Africa.......................................................................................8

8 Metacarp very short, its distal section 0.4× as long as distance between distal end of radius and apex of fore wing ( Fig. 10 View Figs 7–12 ). Pterostigma in dorsal view conspicuously white-marked proximally and distally ( Fig. 10 View Figs 7–12 ). Malar space 1.2× as long as basal width of mandible ( Fig. 9 View Figs 7–12 ). Mesopleuron conspicuously inflated dorsally and ventroposteriorly. Mouthparts unusually long ( Fig. 9 View Figs 7–12 ) ............. aneucliformis sp. n., ♀

– Metacarp longer, its distal section 0.7–0.8× as long as distance between distal end of radius and apex of fore wing ( Figs 37 View Figs 34–37 , 58 View Figs 58–63 ). Pterostigma entirely brown ( Fig. 37 View Figs 34–37 ). Malar space equal to or shorter than basal width of mandible. Mesopleuron not strongly inflated. Mouth parts not unusually long...........................................9

9 Ovipositor long and slender, sheath about 2.4× as long as tergite 1 ( Fig. 35 View Figs 34–37 ). Metasoma entirely dark brown. Flagellum with 15 segments ( Fig. 35 View Figs 34–37 ). Very small, with body length 2.5 mm and fore wing length 2.15 mm ................ minuscula sp. n., ♀

– Ovipositor short and robust, sheath about as long as tergite 1 ( Fig. 66 View Figs 64–66 ). Metasoma behind tergite 1 ventrally and laterally yellow ( Fig. 66 View Figs 64–66 ). Flagellum with 17–18 segments ( Fig. 59 View Figs 58–63 ). Body length usually about 4.0 mm and fore wing length about 3.0 mm ......................................................................................... robusta sp. n., ♀

10 Flagellum yellow or brownish yellow with apical 4 or 5 flagellomeres black, strongly contrasting with other segments ( Fig. 68 View Figs 67–71 ). Head very strongly narrowed behind eyes in dorsal view ( Fig. 69 View Figs 67–71 ). Frons, mesoscutum and dorsolateral area of propodeum very densely punctate. Flagellum filiform, short, 0.7× as long as fore wing ( Fig. 68 View Figs 67–71 ); mid flagellomeres 1.2–1.3× as long as broad. Malar space short, half as long as basal width of mandible ( Fig. 68 View Figs 67–71 ). Tergite 2 of metasoma 1.37–1.39× as long as broad anteriorly ( Fig. 71 View Figs 67–71 )....................................................... voluptuosa sp. n., ♀

– Flagellum more or less entirely black or gradually darkening towards apex. Head not so strongly narrowed behind eyes in dorsal view ( Figs 29 View Figs 28–33 , 52 View Figs 50–57 , 74 View Figs 72–76 ). Frons, mesoscutum and dorsolateral area of propodeum finely and sparsely punctate. ♀: Flagellum clavate, 0.75–1.0× as long as fore wing ( Figs 28 View Figs 28–33 , 50 View Figs 50–57 , 72 View Figs 72–76 ); mid flagellomeres 1.4–1.8× as long as broad. Malar space longer, 0.7–1.0× as long as basal width of mandible. Tergite 2 of metasoma 1.45–1.8× as long as broad anteriorly.. ..............................................................................................................................11

11 Metacarp ending far short of fore wing apex. ♀: Antenna almost as long as fore wing, flagellum very slender ( Fig. 50 View Figs 50–57 ). Tergite 2 of metasoma 1.45× as long as broad anteriorly ( Fig. 56 View Figs 50–57 ). Clypeus, in lateral view, strongly convex dorsally. Propodeum with apical area widely rounded anteriorly ( Fig. 54 View Figs 50–57 )....... probleformis sp. n., ♀ ♂

– Metacarp almost reaching apex of fore wing ( Fig. 72 View Figs 72–76 ). ♀: Antenna about 0.75× as long as fore wing, flagellum less slender ( Figs 31 View Figs 28–33 , 75 View Figs 72–76 ). Tergite 2 of metasoma 1.6–1.8× as long as broad anteriorly. Clypeus, in lateral view, flat or weakly convex. Propodeum with apical area pointed or roundly pointed anteriorly ( Figs 33 View Figs 28–33 , 76 View Figs 72–76 ).................................................................................................................................12

12 Clypeus small, about 2.1× as long as broad ( Fig. 30 View Figs 28–33 ). Malar space 0.9–1.0× as long as basal width of mandible. Flagellum with 19 or 20 segments .............................. .................................................................................................... kolyadai sp. n., ♀

– Clypeus about 2.9× as long as broad ( Fig. 73 View Figs 72–76 ). Malar space of female 0.7–0.8× as long as basal width of mandible. Flagellum with 20–23 segments in female and 25–27 segments in male........................................................... vulgaris sp. n., ♀ ♂