Dichoteleas hamatus, 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 hamatus sp. nov.

Figs 4 , 19-21

Description.

Color of head: black. Hyperoccipital carina: absent. Frontal depression: absent. Malar striae: present. Facial striae: present. Setation of eyes: sparse, with few scattered fine hairs. 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: absent. Mesoscutal suprahumeral sulcus: absent. Mesoscutal humeral sulcus: present, foveolate. Median mesoscutal line: absent. Color of mesoscutum: dark brown to black. Sculpture of mesoscutum: areolate-rugose. Notaulus: complete. Visibility of notaulus: slightly obscured by mesoscutal sculpture. Parapsidal line: present. Sculpture of mesoscutellum: rugulose. Shape of axillular carinae in lateral view: with a sharp posteroventral hooklike projection. Color of axillular carina: brown. Sculpture of T3-6: rugulose and finely punctate. Median carina on T1-T4: absent.

Diagnosis.

This species can be distinguished from D. rugosus by the distinct hooked projections on axillular carinae.

Etymology.

The name Dichoteleas hamatus is drawn from the Latin word for hooked, referring to the hooked projections on the axillular carinae. This epithet is treated as an adjective.

Distribution.

Kenya (Coast), Malawi (Mulanje), South Africa (Limpopo), Tanzania (Uzungwa Mts., Tanga Amani Hills).

Material examined.

Holotype, female: South Africa: Guernsey Farm , Limpopo Prov.; OSUC 56306 (CNCI) . Paratypes. Kenya: 1 female, ICIPE 32195 (ICIPE). Malawi : 1 female, OSUC 875032 (CNCI). South Africa : 20 females, 50 males, OSUC 874965-875031, 875037 (CNCI); SAM-HYM-P031302, SAM-HYM-P037851 (SAMC); USNMENT01197871 (USNM). Tanzania : 5 females, 1 male, OSUC 875033-875036, 875040-875041 (CNCI).

Figures

Figures 1 - 8. Distribution of Dichoteleas species 1 D. rubyae 2 D. ambositrae 3 D. striatus 4 D. hamatus 5 D. fulgidus 6 D. fuscus 7 D. rugosus 8 D. subcoeruleus.

Figures 19 - 21. Dichoteleas hamatus (F) (OSUC 56306) 19 head, mesosoma, lateral view 20 head, anteroventral view 21 dorsal habitus.