Warimiri karutasywa Tavares, de Mello & Mendes, 2021

Tavares, Gustavo Costa, De Mello, Francisco De A. G. & Mendes, Diego Matheus De Mello, 2021, A new genus and three new species of Agraeciini (Orthoptera: Tettigoniidae: Conocephalinae) from the Brazilian Atlantic Forest, with comments on the function of some phallic components, Zootaxa 5057 (2), pp. 201-227 : 210-212

Warimiri karutasywa Tavares, de Mello & Mendes sp. nov.

urn:lsid:zoobank.org:act:DEF66911-E444-4504-BC12-BB1502747F0A

Figs 7 , 8 , 9 , 10 , 11 , 12 , 13 , 21

Type material. Holotype. Male. BRAZIL, Bahia, Santa Teresinha, Serra da Jiboia, Base Gambá , 12°52’19.8”S, 39°28’51.7”W, 07- 09.08.1996, D.M. M. Mendes & A.M.S. Neto leg. (Pinned). Repository: INPA.

Paratypes. 4 females. Same data as holotype (pinned). Repository: INPA . 1 female. Same data as holotype (pinned). Repository: MPEG . 1 female. Same data as holotype (pinned). Repository: BOTU .

Etymology. The name derives from the combination of two words of the Nheengatu language: karú = eat + tas’y(wa) = ant. This name refers to the fact that ant remains were found in the digestive tract of dissected specimens. The name is a non-Latin nor Greek word and must be treated as an arbitrary combination of letters.

Diagnosis. Like in Warimiri madiba gen. et sp. nov., this species has the fastigium of vertex heart-shaped in frontal view ( Figs. 7B ; 11B ); all tibia distinctly sinuous dorsally, bearing two pairs of spurs on the ventral surface most distal portion ( Figs. 7A, G–H ; 11A, G–H ), minute spine only the inner genicular lobe of metafemora ( Figs. 7A, G–H ; 11A, G–H ), and the tenth tergite of female slightly sinuous posteriorly, medially shallowly incised, produced into two broad lobes ( Fig. 11J ). However, Warimiri karutasywa gen. et sp. nov. differs from the species abovementioned by the female subgenital plate more expanded laterally, with a wider medial sinus ( Fig. 11K ), male cerci ending in an inward spine, and with a short mediobasal tubercule ( Fig. 7I ), and male tenth tergite distinctly produced posteriorly, convex, with just an almost inconspicuous medial incision ( Fig. 7I ).

Description. Head. In dorsal view, fastigium of vertex bilobed, blunt, wider and more prominent than antennal scape ( Figs. 7C, E ; 11C, E ); frontally, general shape reminding a heart ( Figs. 7B ; 11B ); in lateral view, slightly elevated and protruding ( Figs. 7A, D ; 11A, D ).

Thorax. Meso- and metasternum transverse, trapezoid, wider than long; meso- and metabasisternal lobes reduced and acute posteroventrally; Metabasisternum transversally separated from the metasternal medial plate ( Figs. 7F , 11F ).

Wings. Left stridulatory vein darker, approximately 1.24 mm long, bearing numerous microscopic teeth ( Fig. 8C ). Radius, Medial, and Cubitus running alongside, touching, till the end of the mirror, where the Cubitus bifurcates at least once, and the branches reach the apex of the tegmina, Medial reticulates, and Radius reaches the apex undivided ( Figs. 8A–B ).

Legs. All tibiae ventrally armed with two (rarely three) pairs of spurs only at the distal portion; only metafemora’s inner genicular lobe with a minute spine; all the remaining rounded ( Figs. 7A, G–H ; 11A, G–H ); internally, fore femora ventral surface armed with 2–3 mid-distal spines ( Figs. 7G ; 11G ) and mid femora with 2–3 spines only externally ( Figs. 7H ; 11H ); fore and mid tibiae dorsally smooth and flat, with slightly elevated lateral keels ( Figs. 7G–H ; 11G–H ); in lateral view, fore tibia slightly sinuous dorsally, with the surface between the concealed tympana opening a little swollen ( Figs. 7G ; 11G ); mid tibiae, in lateral view, dorsally arched ( Figs. 7H ; 11H ); hind femora ventrally with small spines on both sides and hind tibiae dorsally armed with multiple minute spines on both margins ( Figs. 7A ; 11A ).

Abdomen. Male tenth tergite with posterior margin conspicuously produced behind, convex, with an almost inconspicuous medial incision ( Fig. 7I ). Male cerci short, with a short mediobasal tubercule, ending in an inward spine ( Fig. 7I ) and medio-distal portion bent downwards ( Fig. 7K ). Male subgenital plate wider than long ( Fig. 7J ). Phallic complex with two long bars comprising the sclerites TS, each ending in a conspicuous and upcurved spine, like a claw ( Figs. 9A, D–E ); process ti displaced to the dorsal fold (df), comprising a unique small sclerotized area. Processes mp.dl attached to the dorsalmost portion of the sclerite VS ( Figs. 9B ). Vesicles ejv ovoid ( Figs. 9B–C, E–F ), and the sclerites AP almost inconspicuous. Just like in Warimiri madiba gen. et sp. nov., when the phallus is everted, the connection of the sclerite VS ’s ventral arms seems to be less sclerotized and tends to bend ( Fig. 9D ), and sclerites TS are strongly produced upward ( Fig. 9E ). When retracted, sclerite VS ’s dorsal arm stands obliquely, produced anteriorly, and sclerites TS arrange alongside sclerite VS (Fig. X). Female tenth tergite with posterior margin medially shallowly incised, forming two poorly defined lobes ( Fig. 9B ). Female subgenital plate expanded laterally and emarginated posteriorly, produced into two almost triangular lobes, with a widely open U-like medial sinus ( Fig. 11K ). Ovipositor small (6.4–7.1 mm) and strongly upcurved ( Fig. 11I ).

Measurements (mm). Males. Total size. 15; Pronotum. 6.5; Width of pronotum. 6.3; Hind femur. 12.5; Tegmina. 3. Females. Total size. 17,5–18; Pronotum. 6.5–7; Width of pronotum. 6.8–7; Hind femur. 12–13.2; Ovipositor. 6.4–7.1.

Chromatic pattern. Dead and dried specimens with head and thorax reddish or reddish-brown. Lateral lobes of pronotum and lateral portion of abdomen notably darker. Dorsal portion of abdomen yellowish, flanked by sinuous lighter bands; legs also yellowish ( Figs. 7A, E ; 11A, E ). Live specimens with head and thorax reddish, with lateral lobes of pronotum reddish-brown. Abdomen laterally black and dorsally pale yellow, flanked by sinuous lighter bands. All femora basally pale pink and marked by reddish macules, tibia reddish-brown ( Figs. 10A–B ; 12A–C ).

Comments. Warimiri karutasywa gen. et sp. nov. specimens were found overnight on the ground, mainly on the margins of open areas such as trails or roads ( Fig. 13 ). Unlike other species of Warimiri gen. nov. described herein, male specimens of Warimiri karutasywa gen. et sp. nov. were scarce compared to females, and only one specimen was collected. During the dissection of some specimens, cephalic capsules of ants were found inside the crop. Probably these katydids feed on ants since these social insects are abundant on the soil.

Figures

FIGURE 7. Warimiri karutasywa gen. et sp. nov.. A) Habitus of male, lateral view; B) frons; C) head and thorax in detail, dorsal view, and D) lateral view; E) Habitus of male, dorsal view; F) sternum; G) foreleg, internal view; H) midleg, external view; I) male genitalia, dorsal view, J) ventral view, and K) lateral view.

FIGURE 8. Warimiri karutasywa gen. et sp. nov.. A) Left tegmina; B) right tegmina; C) left stridulatory file.

FIGURE 9. Warimiri karutasywa gen. et sp. nov.. A) Phallic complex in posterior view, B) lateral view, and C) anterior view; D) Everted phallic complex in posterior view, E) lateral view, and F) anterior view.

FIGURE 10. Warimiri karutasywa gen. et sp. nov.. A) live male, lateral view, and B) dorsal view.

FIGURE 11. Warimiri karutasywa gen. et sp. nov.. A) Habitus of female, lateral view; B) frons; C) head and thorax in detail, dorsal view, and D) lateral view; E) Habitus of female, dorsal view; F) sternum; G) foreleg, internal view; H) midleg, external view; I) ovipositor; J) tenth tergite; K) subgenital plate.

FIGURE 12. Warimiri karutasywa gen. et sp. nov.. A) and B) live female, lateral view, and C) dorsal view.

FIGURE 13. Phytophysiognomy of the area where Warimiri karutasywa gen. et sp. nov. was collected, in Serra da Jiboia, Bahia State.

FIGURE 21. Distribution maps of Warimiri gen. nov.. A) points of all three species in South America; B) records of Warimiri zumbi gen. et sp. nov. in detail; C) records of Warimiri madiba gen. et sp. nov. and Warimiri karutasywa gen. et sp. nov. in detail; D) “Chapada de Ibiapina” (Ceará State) in detail; E) Murici (Alagoas State) in detail; F) “Serra da Jiboia” (Bahia State) in detail; G) Itabuna (Bahia State) in detail.