Paridris convexa
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Ordo: Hymenoptera
Familia: Platygastridae
Genus: Paridris
Name
Paridris convexa Talamas sp. n. – Wikispecies link – 35B139C7-8B3E-44A6-80D7-08141057B48F ZooBank link – Pensoft Profile
Description
Female body length: 1.19–1.51 mm (n=4). Male body length: 1.26–2.44 mm (n=12).
Number of basiconic sensilla on A8: 1.
Color of head: brown; black. Distal margin of clypeus: smooth. Width of clypeus: wider than interantennal process. Lateral corner of clypeus: projecting into acute angle. Development of interantennal process ventrally: not reaching clypeus. Number of mandibular teeth: three. Length of mediofacial striae: not extending above midpoint of eye. Shape of gena in dorsal view: moderately receding behind compound eye. Striae on gena: weakly indicated. Length of striae on gena: terminating below ventral margin of eye. Form of microsculpture on head: reticulate microfissures. Distribution of microsculpture on head: present throughout dorsal head. Length of OOL: greater than 2 ocellar diameters. Occipital carina above foramen magnum: present. Anterior margin of occipital carina: simple. Setation of postgena: dense. Ventral extent of occipital carina: absent below midpoint of foramen magnum.
Color of mesosoma: reddish brown; yellowish brown. Dorsal half of pronotal cervical sulcus: present as line of small to minute cells. Ventral half of pronotal cervical sulcus: present as line of small to minute cells. Transverse pronotal carina: absent. Shape of pronotal shoulder in dorsal view: without dorsal surface. Form of pronotal suprahumeral sulcus: sparsely punctate; line of uniform punctures. Macrosculpture of anterior medial mesoscutum: absent. Density of punctation on anterior medial mesoscutum: sparse; moderate. Reticulate microfissures on anterior half of medial mesoscutum: present throughout. Density of punctation on posterior medial mesoscutum: sparse; absent. Notaulus: percurrent, reaching suprahumeral sulcus as a smooth furrow; abbreviate, not reaching mesoscutal suprahumeral sulcus. Orientation of notauli: parallel. Shape of notaulus at posterior apex: parallel-sided. Macrosculpture of mesoscutellum: absent. Postacetabular sulcus: crenulate. Mesopleural carina: absent. Punctures on posterodorsal mesepimeral area: absent. Sculpture of mesopleuron anteroventral to femoral depression: densely punctate; areolate to punctate rugose throughout. Sculpture of posterior mesepimeral area: smooth. Form of metascutellum in female: transverse lamella, posterior margin convex. Form of metascutellum in male: transverse lamella, pointed medially; transverse lamella, posterior margin convex. Paracoxal and metapleural sulci: fused. Setation between metapleural triangle and metapleural sulcus: present throughout. Sculpture of metapleural triangle: punctate rugose. Setation of metapleural triangle: sparse. Anterior propodeal projection: absent. Setation of metasomal depression: present. Lateral propodeal area: undifferentiated from plical area. Plical carina: absent.
Color of metasoma: reddish brown; yellowish brown. Macrosculpture of T1: longitudinally striate. Interstitial sculpture of T1: finely rugulose. Adornment of horn on T1 in female: transverse ridge at base of horn. Macrosculpture of T2 in female: longitudinally striate throughout. Macrosculpture of T2 in male: longitudinally striate throughout. Microsculpture on T2: absent. Setal patch of lateral T2: present throughout lateral surface of tergite. Posterior margin of transverse sulcus on T2: distinctly convex. Carina along posterior margin of transverse sulcus on T2 in male: absent. Carina along posterior margin of transverse sulcus on T2 in female: absent. Microsculpture on T3: absent. Macrosculpture of T3 medially in female: absent. Macrosculpture of T3 laterally in female: longitudinally striate. Macrosculpture of T3 medially in male: absent. Macrosculpture of T3 laterally in male: longitudinally striate. Microsculpture on T4: absent. Macrosculpture of T4 medially in female: absent. Macrosculpture of T4 laterally in female: absent. Macrosculpture of T4 in male: absent. Macrosculpture of T5 in female: absent. Constriction of apical T6 in female: present. Setation of S1: densely present throughout. Form of S2 felt field: line of dense setae along longitudinal ridge. Macrosculpture of S2 medially: longitudinally striate.
Wing development: macropterous. Basal vein in hind wing: spectral. Setation of hind wing: uniform throughout. RS+M in fore wing: nebulous.
Diagnosis
Paridris convexa is most similar to Paridris saurotos and Paridris isabelicae. Males and females of Paridris convexa may be separated from these two species by the presence of reticulate microfissures through the head. In Paridris saurotos and Paridris isabelicae this microsculpture is limited to patches on the temple, between the median and lateral ocelli, and directly posterior to the lateral ocellus.
Etymology
The Latin epithet “convexa” is adjectival, meaning rounded or smooth. It is given to this species for its smooth surface sculpture.
Link to distribution map
22
Material examined
Holotype, female: COSTA RICA: Heredia Prov., La Selva Biological Station, 10°26'N, 84°01'W, 75m, 27.II–28.II.2003, sweeping, J. S. Noyes, OSUC 181392 (deposited in BMNH). Paratypes: (3 females, 13 males) COSTA RICA: 3 females, 9 males, OSUC 181304, 181327, 181382, 181403–181404, 181409, 262112–262114, 265168 (CNCI); OSUC 181391, 181399 (OSUC). PANAMA: 4 males, OSUC 262115–262116 (CNCI); OSUC 181332, 262117 (OSUC).
Original Description
- Talamas, E; Masner, L; Johnson, N; 2012: Paridris Kieffer of the New World (Hymenoptera, Platygastroidea, Platygastridae) ZooKeys, 233: 31-90. doi
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