Paridris trispinosa Talamas & Masner

Talamas, Elijah J., Masner, Lubomir & Johnson, Norman F., 2013, Systematics of Trichoteleia Kieffer and Paridris Kieffer (Hymenoptera, Platygastroidea, Platygastridae), Journal of Hymenoptera Research 34, pp. 1-79: 1

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Paridris trispinosa Talamas & Masner

sp. n.

Paridris trispinosa Talamas & Masner  sp. n. Figures 52-56; Morphbank 26


Female body length: 1.63-1.76 mm (n=6). Male body length: 1.68-2.28 mm (n=2).

Number of basiconic sensilla on A8: two. Shape of male flagellomeres: longer than wide by a factor less than 2.

Color of head: dark brown. Distal margin of clypeus: serrate. Shape of distal margin of clypeus in anterior view: convex. Width of clypeus: greater than width across toruli. Lateral corner of clypeus: projecting into acute angle. Length of mediofacial striae: not extending above midpoint of compound eye; continuous with sculpture of dorsal frons. Anterodorsal node on interantennal process: absent. Central keel: absent. Length of OOL: less than 2 ocellar diameters. Macrosculpture of frons between median ocellus and inner orbit of eye: dorsoventrally strigose. Patch of microsculpture posterior to lateral ocellus in male: absent. Patch of microsculpture posterior to lateral ocellus in female: absent. Patch of microsculpture between median and lateral ocelli: absent. Microsculpture on dorsal head: absent. Microsculpture of posterior gena: absent. Shape of gena: not receding posterior to eye. Macrosculpture of posterior vertex: punctate rugose. Patch of microsculpture on temples: absent. Occipital carina above occipital foramen: simple. Anterior margin of occipital carina above occipital foramen: comprised of cells. Ventral extent of occipital carina: extending to base of mandible. Setation of postgena: sparse.

Color of mesosoma: brown; reddish brown.

Shape of pronotal shoulder in dorsal view: narrow and striplike. Transverse pronotal carina: absent. Dorsal half of pronotal cervical sulcus: present as smooth furrow. Ventral half of pronotal cervical sulcus: present as line of large cells. Sculpture of pronotal setal patch: irregular striae to rugulose.

Anterior notaulus: reaching mesoscutal suprahumeral sulcus as row of punctures. Orientation of notauli: parallel. Shape of posterior notaulus: ovoid. Microsculpture on anterior half of medial mesoscutum: pustulate. Macrosculpture of anterior medial mesoscutum: irregularly rugulose. Pattern of punctation density on medial mesoscutum: increasing anteriorly. Scutoscutellar sulcus: comprised of round cells. Median carina on posterior mesoscutellum: absent. Posterior scutellar sulcus: comprised of shallow round cells.

Punctures on dorsal part of posterior mesepimeral area: present. Size of punctures on dorsal part of posterior mesepimeral area: large. Mesopleural carina: present. Postacetabular sulcus: crenulate. Striae ventrad of mesopleural carina: absent.

Setae on metascutellum: absent. Posterior margin of metascutellum: emarginate.

Setation of metapleural triangle: sparse. Paracoxal and metapleural sulci: separate. Sculpture of posterodorsal part of ventral metapleural area: rugose. Dorsal metapleural area: coarsely sculptured. Posterior margin of metapleuron below propodeal spiracle: with triangular point above metapleural sulcus.

Anterior projection of the propodeum: absent. Setation of metasomal depression: absent. Posterior projection of the propodeum: lamellate extension formed from lateral propodeal carina. Plical carina: absent. Lateral propodeal area: indicated by lesser degree of setation. Shape of lateral propodeal area: continuous with prespiracular propodeal area. Sculpture of lateral propodeal area: punctate rugulose.

Length of postmarginal vein: shorter than stigmal vein by less than one half length of stigmal vein; equal to stigmalis. Rs in fore wing: nebulous. Cu vein in fore wing: spectral. M vein in forewing: spectral. Color of costal cell in female: hyaline. Color of sub-radial area in female: hyaline. Color of costal cell in male: hyaline. Color of cubito-medial area in female: hyaline. Color of anal margin in female: hyaline. Color of cubito-medial area in male: hyaline. Color of anal margin in male: hyaline. RS+M in forewing: nebulous. Color of sub-stigmal area in male: hyaline. Basal vein in hind wing: spectral. Setation of hind wing: reduced anad of submarginal vein.

Color of metasoma: reddish brown. Longitudinal median carina on horn of T1: absent. Armature on posterior surface of T1 horn: present. Form of armature on posterior surface of T1 horn: posteriorly projecting spine. Interstitial sculpture of T1: finely rugulose. Patch of dense fine setae on anterolateral T1: absent. Form of T2 sulcus: transverse furrow. Posterior margin of transverse sulcus on T2: straight. Carina along posterior margin of transverse sulcus on T2 in female: present. Sublateral tergal carina on T2: absent. Microsculpture on T2: absent. Macrosculpture of T2 in female: longitudinally striate. Macrosculpture of T2 in male: longitudinally striate throughout. Carina along posterior margin of transverse sulcus on T2 in male: present. Microsculpture on T3: present. Macrosculpture of medial T3 in female: weakly longitudinally strigose. Macrosculpture of lateral T3 in female: longitudinally strigose. Macrosculpture of medial T3 in male: longitudinally strigose. Macrosculpture of lateral T3 in male: longitudinally strigose. Macrosculpture of T4 in male: longitudinally strigose laterally. Macrosculpture of female T5: absent. Microscupture on female T6: present throughout. Constriction of apical T6 in female: present. Macrosculpture of S1: rugose. Setation of S1: absent. Distribution of longitudinal striae on S2: present throughout. Macrosculpture of S2: longitudinally striate. Form of S2 felt field: lateral row or patch of setigerous punctures. Marginal depression on S3: present. Marginal depressions on S4: present. Marginal depression on S5: absent.


Paridris trispinosa  is most similar to Paridris bispinosa  . Females of Paridris trispinosa  may be separated by the posteriorly directed spine on the horn of T1 (absent in Paridris bispinosa  ) and percurrent notauli (abbreviate in Paridris bispinosa  ). Among the specimens examined in this revision, the surface sculpture of Paridris trispinosa  is coarser than that of Paridris bispinosa  , particularly on the lateral mesoscutum.


The Latin adjectival epithet “trispinosa” is given to this species for the spines of the metascutellum and horn of T1.

Link to distribution map.


Material examined.

Holotype, female: CAMEROON: Nkoemvom, IX-1979, malaise trap, P. Jackson, OSUC 453737 (deposited in CNCI). Paratypes: CAMEROON: 5 females, 1 male, OSUC 181269, 453736, 453738, 453740-453742 (CNCI). Other material: CAMEROON: 1 female, OSUC 453739 (CNCI).


We did not examine any males of Paridris bispinosa  in this revision, but we speculate that they will have an abbreviate notaulus, as in the females of this species, and that this will enable separation from males of Paridris trispinosa  .