Esagonatopus antonioi Martins, 2018

Martins, André Luis, 2018, A new species of Esagonatopus Olmi (Hymenoptera, Dryinidae) from Central Brazil, Zootaxa 4379 (3), pp. 441-444 : 441-443

Esagonatopus antonioi Martins sp. nov. ( Figs 1 –6)

Diagnosis. Female with head slightly excavated (almost flat), granulate. Frontal line complete; mesosoma reticulate rugose; scutum without lateral pointed apophyses. Metapectal-propodeal complex reticulate rugose, not striate transversely.

Description. ♀ holotype. Apterous; length 3.9 mm ( Fig. 1 ). Head black, except anterior region of face, clypeus, mandible and part of ventral side testaceous; antenna testaceous, except antennomeres 1 and 10 yellow-testaceous ( Fig. 1 ); pronotum black, except lateral margins testaceous ( Figs 2 – 3 ); other parts of mesosoma black ( Figs 3 – 4 ); legs black, except trochanters, tibiae and tarsi testaceous; metasoma black. Antenna clavate; antennomeres in following proportions: 17: 7: 23: 15: 13: 13: 10: 10: 8: 12. Head dorsally almost flat, slightly excavated, granulate; frontal line complete ( Fig. 2 ), faint near median ocellus and clypeus; occipital carina absent; POL = 2; OL = 3; OOL = 10 ( Fig. 2 ). Palpal formula 6/2. Gena in part unsculptured and in part granulate. Pronotum dull, sculptured by many subparallel longitudinal striae, with lateral regions partly rugose, crossed by strong transverse furrow. Scutum reticulate rugose, without lateral pointed apophyses. Scutellum rugose, dull, hardly visible among rugosities. Metanotum rugose, dull, not excavated behind scutellum, sloping anteriorly. Meso-metapleural suture obsolete ( Fig. 3 ). Metapectal-propodeal complex dull, completely reticulate rugose ( Figs 3 – 4 ). Mesopleuron and metapleuron reticulate rugose. Metasoma with broad bands of hairs at posterior margin of each tergite ( Fig. 1 ). Protarsomere in following proportions: 18: 4: 6: 22: 48. Enlarged claw ( Fig. 5 ) with one small subapical tooth and one row of nine peg-like setae. Tarsomere 5 of protarsus ( Fig. 5 ) with two rows of 30 lamellae; distal apex with at least 35 lamellae. Rudimentary claw present. Tibial spurs 1/0/1.

Male. Unknown.

Material examined. Holotype ♀: BRAZIL: Distrito Federal, Brasília, Fazenda Água Limpa , 15.9592°S 47.9331°W, 03.i.2011, A. J. C. Aguiar, Arm. Malaise ( DZUP).

Hosts. Unknown.

Etymology. This species is named after its collector, Antônio José Camilo Aguiar.

Distribution. Brazil.

Figures

FIGURES 1–5. Esagonatopus antonioi Martins sp. nov., female holotype. 1, Habitus in lateral view; 2, head, dorsal view; 3, mesosoma, lateral view; 4, mesosoma,dorsal view; 5, chelalateral view.Scale bars:1–4 = 1.0 mm;5 = 0.2 mm.