Pseudophanerotoma thapsina (Walley)

Kittel, Rebecca N., 2018, A taxonomic review of the parasitoid wasp genera Furcidentia Zettel and Pseudophanerotoma Zettel (Hymenoptera: Braconidae: Cheloninae) from the Neotropics with the description of four new species, Zootaxa 4486 (2), pp. 146-160 : 157-158

Pseudophanerotoma thapsina (Walley)

( Figs 6 a–c , 7 a–c , 10 )

Type species: Phanerotoma thapsina Walley 1951: 305 . Assigned to Pseudophanerotoma by Zettel, 1990: 166.

Holotype. USA: 1 ♀, " Port Isabel , Cameron Co., Texas, June 20-23, 1948 " at light leg. H. E. Evans and G. E. Ball ( CNC #5949 ), [examined].

FRENCH GUIANA. Other material. 1 ♂, “ French Guiana, Mt. Chevoux, 4.722627, -52.41261, Rec: SEAG, MT, 1-7 viii 2001 ” ( MNHN), [examined].

Diagnosis. The species differs from all other species of the genus by being completely yellow, its small size of less than 4 mm, and the costate and rugose sculpturing of the carapace.

Description (male). Body measurements. Length of body 3.7 mm; ratio of length of antenna to body 0.7; ratio of length of fore wing to body 0.6; ratio of metasoma to mesosoma 1.2.

Head. Antenna with 29 antennomeres; ratio of length of third antennomere to fourth 1.1; ratio of length of third, fourth, and penultimate antennomere to width 4.3, 3.8, and 1.7, respectively; ratio of width of face to its height in frontal view 1.7; ratio of width of clypeus to its height 2.1; clypeus convex and smooth, with two teeth (less prominent in male); ratio of malar space to base of mandible 1.0; face straight in lateral view and punctate; frons and vertex punctate; ratio of length of eye to temple in dorsal view 2.3; ratio of ocelli:LOL:POL:OOL 1.0:0.8:1.0:3.0.

Mesosoma. Mesoscutum rugose; notauli present; mesopleuron rugose; scutellar sulcus present and rugose; mesoscutellum flat and rugose; propodeum areolate; propodeal tubercles absent; ratio of mesosoma height to its length 0.68; ratio of length to width of hind coxa, hind femur, and hind tibia 2.0, 4.3, and 5.0, respectively; fore wing: SR-1 straight; 2-R1 absent; ratio of length of 1-R1 to length of pterostigma 1.3; ratio of width to length of pterostigma 2.5; ratio of r:3-SR:SR-1 1.0:0.9:5.0; ratio r:r-m:2-SR 1.0:1.1:2.8.

Metasoma. Oval in dorsal view; ratio of metasomal width to length 0.5; first and second tergite costate, third tergite rugose; ratio of length of the three metasomal tergites 1.0:0.9:1.2.

Colour. Yellow, except interocellar area black.

Distribution. This species was hitherto only known from Texas, USA, but has now been recorded in French Guiana (Mt. Chevoux).

Biology. Unknown.

Sequence data. GenBank accession numbers for this species are CO1 KJ472582 , 28S KJ472714 .

Remarks. This is the first description of the male of the species.

Figures

FIGURE 6. Pseudophanerotoma thapsina, male, a—habitus lateral; b—head frontal; c—fore wing; scale bars a = 1.0 mm, b = 0.5 mm, c = 1.0 mm.

FIGURE 7. Pseudophanerotoma thapsina, holotype, female, a—habitus lateral; b—head frontal; c—metasoma dorsal.

FIGURE 10. Distribution map of Pseudophanerotoma species. P. austini sp. nov. (yellow square), P. paranaensis (Costa Lima) (new material red square; type location red triangle) and P. thapsina (Walley) (new material blue square; type location blue triangle).