Calliscelio prolixus Chen & Johnson

Chen, Hua-yan, Masner, Lubomir & Johnson, Norman F., 2017, New World species of the genus Calliscelio Ashmead (Hymenoptera, Platygastridae, Scelioninae), ZooKeys 648, pp. 1-136 : 90-93

Calliscelio prolixus Chen & Johnson sp. n. Figures 190-195

Description.

Body length of female: 2.00-2.48 mm (n=11). Color of head: dark brown; orange to pale brown. Color of antennal clava (A7-A12): dark brown to black; A7 yellow, remainder dark brown to black. Shape of head: subglobose. Central keel of frons: present. Setation of upper frons: with dense, short setae. IOS/EH: IOS distinctly less than EH. Sculpture of ventrolateral frons: granulate. Sculpture of frons below median ocellus: smooth to coriaceous. Sculpture of posterior vertex: granulate. Hyperoccipital carina: absent. Occipital carina medially: complete, weakly crenulate throughout. Length of OOL: less than 0.5 × ocellar diameter. Sculpture of postgena behind outer orbit: smooth. Ocular setae: absent. A4 in female: distinctly longer than A3. A5 in female: longer than A3, distinctly longer than wide. Shape of female A6: distinctly longer than wide.

Color of mesosoma in female: variably orange to pale brown. Sculpture of dorsal pronotal area: rugose. Sculpture of lateral pronotal area: smooth throughout. Sculpture of netrion: smooth. Notaulus: percurrent or nearly so. Sculpture of mesoscutum: coriaceous. Shape of mesoscutellum: semiellipsoidal. Foveolae of scutoscutellar sulcus between notauli: as large as those along margin of axilla. Sculpture of mesoscutellum: smooth with sparse fine punctures. Shape of metascutellum: posterior margin straight, approximately 4.0 × wider than long. Sculpture of metascutellum in female: rugose. Dorsal propodeum in female: not excavate medially, lateral propodeal carinae meeting anteromedially. Sculpture of dorsal propodeum in female: rugose with one or two longitudinal keels lateral median keel. Median keels on propodeum in female: absent. Mesopleural carina: present. Sculpture of mesepisternum below mesopleural depression: smooth. Sculpture of ventral metapleural area: smooth. Color of legs: variably orange to pale brown. Sculpture of hind coxa: smooth.

Color of fore wing: hyaline. Rs+M: nebulose, strongly pigmented. Setae on R: long, erect, surpassing the margin of the wing. Length of R: distinctly longer than r-rs. Length of R1: greater than 3.0 × length of r-rs.

Color of metasoma in female: variably yellow to pale brown. Horn on T1 in female: absent. Sculpture of posterior margin of T1 in female: longitudinally striate throughout. Development of longitudinal striae on T2 in female: reaching the middle of T2 medially. Sculpture of T3: smooth. Shape of T6 in female: short, slightly longer than wide. Sculpture of S3: smooth.

Diagnosis.

This species is most similar to Calliscelio longius in elongate antenna, color and habitus. It can be distinguished by the absence of T1 horn and the subtriangular T6 in female.

Etymology.

The epithet is an adjective, Latin word for long, in reference to the elongate antenna.

Link to distribution map.

[http://hol.osu.edu/map-full.html?id=384175]

Material examined.

Holotype, female: COLOMBIA: Valle del Cauca Dept., 650m, 03°26'N, 76°48'W, Farallones de Cali Natural National Park, 19. XII– 2.I.2001, Malaise trap, S. Sarria, OSUC 557587 (deposited in CNCI). Paratypes: (10 females) BRAZIL: 1 female, OSUC 322538 (OSUC). COLOMBIA: 4 females, OSUC 557588- 557589, 557591 (CNCI); OSUC 268908 (OSUC). ECUADOR: 5 females, OSUC 553448, 553453, 553472, 553516, 553656 (CNCI).