Dichoteleas umbra, Schwartz & Van Noort & Johnson, 2023

Schwartz, Johanna, Van Noort, Simon & Johnson, Norman F., 2023, A taxonomic revision of the Old World genus Dichoteleas Kieffer (Hymenoptera, Scelionidae), ZooKeys 1182, pp. 183-205 : 183

Dichoteleas umbra sp. nov.

Figs 38-40

Description.

Color of head: black. Hyperoccipital carina: present. Frontal depression: absent. Malar striae: present. Facial striae: present. Setation of eyes: absent. Sculpture of frons: smooth above interantennal prominence, areolate laterally. Setation of frons: sparsely setose throughout. Submedian carina: absent. Interantennal process: undifferentiated. Central keel: absent. Transverse pronotal carina: present. Color of pronotum: dark brown to black. Pronotal cervical sulcus: present. Mesepimeral sulcus: present. Sulcus along mesopleural carina: foveolate. Mesoscutal suprahumeral sulcus: absent. Mesoscutal humeral sulcus: present as an uninterrupted groove. Median mesoscutal line: absent. Color of mesoscutum: black with xanthic posterolateral corners. Sculpture of mesoscutum: punctate. Notaulus: complete. Visibility of notaulus: unobscured. Parapsidal line: present. Sculpture of mesoscutellum: smooth. Shape of axillular carinae in lateral view: without a posteroventral hooklike. Color of axillular carina: slighter lighter than mesoscutellum. Sculpture of T3-6: punctate. Median carina on T1-T4: absent.

Diagnosis.

D. umbra can be distinguished from D. rugosus by the xanthic posterolateral corners of the mesoscutum. This species differs from D. hamatus and D. striatus by the punctate mesoscutum.

Etymology.

The name Dichoteleas umbra is from the Latin word for shadow or shade, referring to the dark color. This epithet is treated as a noun.

Distribution.

Tanzania (Uluguru Mts.).

Material examined.

Holotype, female: Tanzania: Uluguru Mts. Lupanga , East, 1300m; OSUC 875037 (CNCI) . Paratypes. Tanzania: 1 female, 1 male, OSUC 875038-875039 (CNCI) .

Figures

Figures 38 - 40. Dichoteleas umbra (F) (OSUC 875039) 38 head, mesosoma, lateral view 39 head, anteroventral view 40 dorsal habitus.