Telenomus fariai Costa Lima, 1927

Ramirez-Ahuja, Maria de Lourdes, Davila-Barboza, Jesus A., Talamas, Elijah J., Moore, Matthew R., Bobadilla-Utrera, Cristina, Ponce-Garcia, Gustavo, Rodriguez-Sanchez, Iram P. & Flores, Adriana E., 2021, First record of Telenomus fariai Costa Lima, 1927 (Hymenoptera, Scelionidae, Telenominae) as a parasitoid of Triatoma dimidiata (Latreille, 1811) (Hemiptera, Reduviidae, Triatominae) eggs in Mexico, Journal of Hymenoptera Research 87, pp. 309-322 : 309

Telenomus fariai Costa Lima

Figures 1-3 , 4-7 , 8-13 , 14-15

Telenomus fariai Costa Lima, 1927: 451 (original description)

Telenomus fariai Costa Lima: De Santis, de Regalia, de Silva & de Larramendy, 1980: 197 (key to subespecies), Johnson, 1992: 587 (cataloged, type information)

Telenomus fariai Rabinovichi De Santis & Vidal Sarmiento, 1980: 198 (original description).

Telenomus fariai fariai Costa Lima: De Santis, de Regalia, de Silva & de Larramendy, 1980: 198 (description).

Telenomus fariai rabinovichi De Santis & Vidal Sarmiento: Loiácono & Díaz, 1996: 10 (type information).

Description.

Body length of male: 0.75-0.91 mm (n = 4). Body length of female: 0.87-1.05 mm (n = 10) color of body: dark brown to black: color of legs: coxae and femora brown; trochanters, tibiae and tarsi yellow to pale brown: color of antenna in female: brown.

Head. Claval formula: 1-2-2-1. Number of mandibular teeth: 2, dorsal tooth the largest. Labium: transverse with median notch. Shape of clypeus: concave, apical margin straight, not dentate, not protruding anteriorly. Number of clypeal setae: 6, dorsal pair distinctly longer. Central keel: absent. Sculpture of frons: with arcuate rugae present around interantennal process, otherwise smooth or with coriaecious microsculpure, setal bases punctate. Frontal depression: weakly developed, frons not bulging between antennal insertions and inner orbits. Compound eyes: with short setation throughout, inner orbits rounded at the level of lateral ocelli. Lateral ocellus: contiguous with compound eye. Ocellar setae: absent. Sculpture of vertex: shallowly and evenly coriaceous. Shape of vertex: rounded, without hyperoccipital carina. Occipital carina: complete, extending to base of mandibles ventrally, continuous dorsally. Anterior margin of occipital carina: weakly crenulate dorsally, smooth laterally and ventrally. Sculpture of gena: shallowly and evenly coriaceous.

Mesosoma. Epomial carina: absent. Sculpture of lateral pronotum: coriaceous microsculpture anterior to netrion. Netrion sulcus: present, weakly defined medially. Sculpture of netrion: smooth. Setation of mesoscutum: evenly covered with white setae throughout. Sculpture of mesoscutum: scaly reticulate microsculpture. Mesoscutal suprahumeral sulcus: absent. Mesoscutal humeral sulcus: present as a smooth furrow. Interior of axillar crescent: smooth. Setation of mesoscutellum: evenly covered with white setae throughout. Sculpture of mesoscutellar disc: smooth. Posterior mesoscutellar sulcus: foveate. Sculpture of metascutellum: rugose throughout. Metanotal trough: foveate, foveae less than half the lenght of the metanotum. Number of setae in metanotal trough: 3-4. Acetabular carina: present, wide and flat dorsally and directly posterior to fore coxa. Intercoxal space: greater than the length of fore coxa. Setation of ventral mesopleuron: densely setose surrounding mesodiscrimen. Episternal foveae: absent. Sculpture of anteroventral mesopleuron: scaly reticulate microsculpture. Sculpture of femoral depression: smooth. Mesopleural carina: weakly indicated in posteroventral corner of mesopleuron. Prespecular sulcus: indicated by shallow foveae. Sculpture of speculum: transversely rugulose. Mesepimeral sulcus: comprised of circular foveae. Sculpture of posterior mesepimeral area: smooth. Paracoxal sulcus: absent. Metapleural epicoxal sulcus: indicated by a line of shallow foveae. Anteroventral extension of the metapleuron: blunt, triangular, extending to base of mesocoxa. Sculpture of metapleuron: variably rugose in posterior and ventral portions, anterior part of dorsal metapleuron mostly smooth. Lateral propodeal area: mostly smooth with some rugae. Metasoma depression: with sparse rugae radiating from surrounding carinae and from propodeal foramen.

Wings. Length of postmarginal vein in fore wing: twice as long as stigmal vein.

Metasoma. Sculpture of T1: striate throughout. Number of sublateral setae on T1 (on one side): 1. Number of lateral setae (on one side): 3 or 4. Sculpture of T2: faint striation extending from basal costae, striae in lateral portion and along midline extending half the length, otherwise smooth. Length of T2: about 4/5 the length of the metasoma. Setation of T2 (mediotergite): sparse, present in a broad patch located in lateral third, roughly one half the length of the tergite. Setation of laterotergite 2: present in a patch adjacent to setose area on mediotergite. Sculpture of T7: rugulose; setation of T7: short and dense. Setation of S2: sparse and evenly distributed in area between laterotergites. Sculpture of S6: densely punctulate. Setation of S6: dense.

Male genitalia. Number of digital teeth (on each side): 3. Size of digital teeth: small. Laminae volsellares: elongated plate with lateral indications of more intensely sclerotized rods. Aedeagal lobe: very short and rounded apically.

Material examined.

Brazil: Rio de Janeiro, ex. Triatoma eggs (1♀, USNMENT01795654) . Mexico: Estacion Chavarrillo, Municipality Emiliano Zapata, state Veracruz, 13-VII- 2019; Cristina Bobadilla-Utrera (CIBE 19-032), (48♀, 18♂, FSCA 00091145, 00091154, 00091164-00091165, 00095774-00095780, 00095785-00095786) .

Species-group placement.

phymatae -group.

Host(s).

Panstrongylus chinai , P. megistus , P. herreri , Tr. brasiliensis Neiva, Tr. dimidiata , Tr. infestans , Tr. pallidipennis (Stal), Tr. phyllosoma , Tr. maculata (Erichson), Tr. rubrovaria (Blanchard, in Blanchard & Bulle), Tr. sordida (Stal), Tr. tibiomaculata , Tr. vitticeps (Stal), Rhodnius prolixus , R. palescens ( Zeledon 1957; Ravinovich 1971).

Comments.

The specimens of Te. fariai from Mexico (Figures 2 - 6 , 8 - 15 ) match the specimen from Brazil (Figures 1 , 7 ) in every character that we could assess. The degree to which the frons is covered in microsculpture appears to vary within the species, as it may cover the frons (Figure 7 ) or be present only in the areas surrounding the antennal scrobe (Figures 4-5 ).

Figures

Figures 1 - 3. Telenomus fariai 1 female (USNMENT 01795654), identified by Costa Lima, reared from Triatoma eggs in Brazil, lateral habitus 2 female (FSCA 00091164), reared from Tr. dimidiata in Mexico 3 male (FSCA 00091165), reared from Tr. dimidiata in Mexico.

Figures 4 - 7. Telenomus fariai 4 female (FSCA 00091199), head, anterolateral view 5 female (FSCA 00091199), head, dorsal view 6 female (FSCA 00091199), ventral frons, anterior view 7 female (USNMENT 01795654), head and mesosoma, anterior view.

Figures 8 - 13. Telenomus fariai, female (FSCA 00091199) 8 mesosoma, dorsal view 9 mesosoma, lateral view 10 mesosoma, posterolateral view 11 mesosoma, ventrolateral view 12 metasoma, dorsal view 13 T 6 - T 7, dorsal view.

Figures 14 - 15. Telenomus fariai 14 male genitalia, ventral view 15 female (FSCA 00091164), wings, dorsal view. Annotations. al: aedeagal lob; av: aedeago-volsellar shaft; di: digitus; dt: digital teeth; lv: laminae volsellares.