Afroanthracites ngologolo, Hemp & Ingrisch & Heller, 2017

Hemp, Claudia, Ingrisch, Sigfrid & Heller, Klaus-Gerhard, 2017, A new genus and other new species of Agraeciini from the Eastern Arc Mountains, East Africa (Orthoptera: Tettigoniidae; Conocephalinae; Agraeciini), Zootaxa 4311 (1), pp. 1-22 : 13-14

AfroanthraciteS ngologolo n. sp. Hemp C.

( Figs. 19–23 , 29)

http://lsid.speciesfile.org/urn:lsid: orthoptera .speciesfile.org:TaxonName:497466

Holotype, male, Udzungwa Mountains National Park , Ngologolo Mountains, understory of closed submontanemontane forest, January 2017. Depository MfN . Paratype female, same data as holotype. Depository MfN .

Description male. General colour predominantly green with brown patch on posterior part of pronotum bordered anteriorly by black fascia. On 10th abdominal tergite narrow yellow to orange stripe. Venter of abdomen orange ( Fig. 19 ). Head and antennae. Fastigium verticis very narrow, finger-like elongated, slightly shorter than scapus. Face uniformly green. Antennae long, more than twice the length of body. Upper margins of scapi bordered black. Thorax. Pronotum rugose, rounded, posterior area (in metazona) slightly inflated. Tegmina hidden for most of their length under pronotum, only straight deep black hind margin of tegmina visible. Legs. Fore coxa with long curved and slender spine. Fore and mid femora only with 3–4 slender and comparatively long inner ventral spines, hind femur with 6 long outer spines, unarmed on inner side. Fore tibiae with double row of 4–5 black-tipped ventral spines and two ventral spurs, mid tibiae also with double row of 5–6 black-tipped ventral spines but a pair of spurs ventrally and dorsally. Hind tibiae with 3 rows of densely set small spines and one long spur on each side ventrally and pair of short curved spurs dorsally. Abdomen. Tenth abdominal tergite at posterior margin incised, forming two broadly rounded lobes ( Fig. 20 B). Subgenital plate elongated, posteriorly up-curved and little incised medially, with short styli. Cerci stout and curved, hidden under elongated 10th abdominal tergite ( Fig. 20 B).

Female. Similar to male in size and colour pattern ( Fig. 21 ) with green face and tawny labrum ( Fig 22 ). On 10th abdominal tergite narrow white stripe instead of yellow/orange patch as in male. Ovipositor slightly up-curved ( Fig 23 A). Subgenital plate broadly incurved at posterior margin ( Fig. 23 B).

Measurements, male (mm) (N = 1). Body length 25.5. Length of pronotum 9.1. Length of hind femur 14.3. Measurements, female (mm) (N = 1). Body length 28. Length of pronotum 8. Length of hind femur 14.4. Ovipositor 10.5.

Habitat. Submontane to montane closed forest. Understory dweller found at night in trees and bushes.

Distribution. Tanzania, Udzungwa Mountains.

Etymology. Named after the Ngologolo Mountains within the Udzungwa Mountains National Park.

Figures

FIGURE 19. Male Afroanthracites ngologolo n. sp. from the Udzungwa Mountains National Park.

FIGURE 20. Afroanthracites ngologolo n. sp., abdominal apex A. lateral view B. dorsal view.

FIGURE 21. Female Afroanthracites ngologolo n. sp.

FIGURE 22. Female A. ngologolo n. sp., green face with tawny labrum and mandibles.

FIGURE 23. Ovipositor (A) and subgenital plate (B) of female A. ngologolo n. sp.