Acanthocephala harryi, Olivera & Dellapé & Melo, 2024

Olivera, Leonela, Dellapé, Pablo M. & Melo, María Cecilia, 2024, Description of eight new species of the genus Acanthocephala Laporte, 1833 from South America (Hemiptera, Coreidae, Acanthocephalinae), Zoosystema 46 (12), pp. 285-318 : 301-304

Acanthocephala harryi n. sp.

( Figs 15-17 ; 30 )

urn:lsid:zoobank.org:act:83F85D4E-E36A-4095-B2DA-2F363BC97FCD

TYPE MATERIAL. — Holotype. Colombia • “ ♀ Meta, Villavicencio / Vda. La Llanerita / Finca Calaguala / 20-Abr-2005 / Jameo- Transecto T2 // UNAL-10004 [yellow label] // ME261 [yellow label] [ UNAL]” ( Figs 15 ; 16 ; 17 ).

Paratype. Colombia • “ ♀ Caquetá, San / José de Fragua , río / Yuruyaco. 1200 m. 1°20’53’’N / 76°6’11’’W / 9 Sep 2000 / Col. E. Gonzales [ MLP]” • “ ♀; MUJ 14184 ; MPUJ-HEM 1377 [ PUJ]” .

TYPE LOCALITY. — Colombia, Meta, Villavicencio, Vda. La Llanerita, Finca Calaguala.

ETYMOLOGY. — This new species is named in honor of our friend and colleague Dr Harry Brailovsky, recognizing his outstanding contributions to the knowledge of Heteroptera , particularly Neotropical Coreidae .

DISTRIBUTION. — Only known from Colombia ( Fig. 30 ).

DESCRIPTION OF HOLOTYPE ( Fig. 15A, B )

General

General color pale brown to black.Total length 25.37, length of head 2.59.

Head ( Figs 15C, D )

With sparse semierect yellowish setae, and erect setae longitudinally between ocelli. Dorsal region of head black except paler areas next to ocelli, posterior margin of eyes with a yellowish fringe; inner margin of antenniferous tubercles, buccula, gula, and lateral and ventral neck paler.Tylus strongly projected upwards, overpassing dorsal margin of head. Post-tylus depression deep, 2.2 times shorter than interocellar space. Length of tylus 0.96, length of post-tylus depression 0.29. Eyes globose and protuberant, large in relation to the size of the head, in lateral view, tangential to dorsal margin of head. Width of eye 0.83, ocular distance 2.91, synthlipsis 1.22, ocellar distance 1.02, interocellar space 0.58. Buccula rounded, reaching the anterior third of the eye. Antenna longer than the body.Scape with inner side longitudinally ridged. Scape, pedicel, and basiflagellomere brown, with abundant semierect dark stiff setae; basal half of distiflagellomere brown, apical half yellowish, with abundant decumbent yellowish setae and sparse semierect darker stiff setae. Length of antennal articles: scape 5.62, pedicel 4.25, basiflagellomere 3.87, distiflagellomere 10.25; width of antennal articles: scape 0.36, pedicel 0.26, basiflagellomere 0.24, distiflagellomere 0.29. Labium pale brown, dorsal margin of segment II and apex of segment IV dark brown, extending to mesocoxae. Length of labial segments: I 2.30, II 2.16, III 1.88, IV 1.78.

Thorax

Pronotum ( Fig. 16A ): dark brown with short decumbent yellowish setae, and longer and darker erect setae all over the surface; anterior lobe and calli smooth, unarmed; posterior lobe punctate with short, rounded, smooth and shiny tubercles partially anastomosed on posterior region; anterolateral margins straight and with sparse small tubercles; humeral angles tuberculated, slightly expanded and not elevated, ending in a subacute protuberance directed backwards; humeral distance slightly larger than width of abdomen; posterolateral margins tuberculated, triangular processes short. Width of humeral angles 9.50. Scutellum: wider than long, with conspicuous transversal rugosities, and sparse yellowish decumbent and erect setae; base elevated with two barely apparent small median tubercles; apex pale brown, incrassate. Length of scutellum 3.43, width 3.52. Thoracic pleurae: pale brown, with sparse decumbent yellowish setae; metathoracic gland auricle and evaporatory area yellowish with rugosities, anterior lobe of auricle with a central brown macula, rounded, posterior lobe elongated ( Fig. 16B ); supracoxal area of metapleura not incrassate. Thoracic sterna: brown, with abundant erect yellowish setae; mesosternal anterior projection paler.

Hemelytra. Clavus and corium pale brown, with punctures along and next to veins and in the center of the cells, with sparse short decumbent yellowish setae on punctures, veins concolor; costal margin unarmed; membrane glabrous, veins paler. Length of hemelytra 20.12.

Legs. Trochanters unarmed. Femora with dark stiff semierect setae all over the surface, and erect setae ventrally. Pro- and mesofemora brown, paler basally; anterior, posterior, and dorsal margins unarmed, anterior ventral row of spines increasing in size towards apex, posterior row with a few tubercles ending in a large apical spine. Metafemur brown, 2.2 times wider than profemur ( Fig. 16C ); dorsal margin with two rows of black conical setiferous tubercles; ventral margin with two rows of dark brown to black spines becoming larger to the apex and ending on a bidentate apical projection; anterior row with large flat spines; posterior row with small conical spines; anterior margin unarmed; posterior margin with a short row of small conical setiferous tubercles. Pro- and mesotibiae unarmed, pale brown with apex paler. Metatibia ( Fig. 16D ) reddish brown, apex yellowish; dorsal expansion unarmed, wider at distal basal third, with a notch from where it slightly narrows to expand again to the apex, ending rounded in a straight angle; ventral expansion developed, rounded on basal third, from where it narrows and runs parallel to the apex, with small sparse setiferous tubercles. Tarsi yellowish. Width of profemur 0.80; length of metafemur 13.00, width 1.97; length of metatibia 13.75, width 3.06.

Abdomen

Length of abdomen 14.38, width 9.63. Terga dark brown to black, irregularly pigmented. Sterna pale brown, with two yellowish areas on sternite I and II under metacoxae; with short decumbent yellowish setae and sparse semierect setae. Lateral margin of sternites III and IV not expanded. Area of insertion of trichobothria and surrounding area yellowish. Sternal lateral areas with punctures and rugosities around spiracles. Spiracles black, surrounding area yellowish.

Female genitalia ( Figs 17 ). Sternite VII ( Fig. 17A ): fisura short, median lobes small and rounded, overlapping with each other; plica straight, close to the posterior margin of the sternite, shorter than the maximum width of first gonocoxae; posterolateral margins extending to median third of first gonocoxae. Paratergite VIII extending to the apex of first gonocoxae ( Fig. 17A ). Dorsal apodeme of second gonocoxa long and narrow, apex rounded ( Fig. 17B ). Second gonocoxae narrowed at the middle, basal region as wide as apical region ( Fig. 17C ). Second gonapophysis shorter than second gonocoxae. Spermatheca ( Fig. 17D ): seminal receptacle apically globose and rounded; flexible zone long; distal duct as long as flexible zone; dilation of the spermathecal duct oval.

MALE

Unknown.

PARATYPES MEASUREMENTS (N = 2 ♀)

Total length: 23.25-24.00; length of head: 2.40-2.43; length of tylus: 0.88-0.92; length of post-tylus depression: 0.28- 0.32; width of eye: 0.77-0.83; ocular distance: 2.75-2.77; synthlipsis: 1.15-1.17; ocellar distance: 1.02-1.02; interocellar space: 0.51-0.64; length of antennal articles: scape, 5.12-5.75; pedicel, 4.25-4.50; basiflagellomere, 3.50-3.87; distiflagellomere, 10.25-11.87; width of antennal articles: scape, 0.34-0.38; pedicel, 0.26-0.26; basiflagellomere, 0.22- 0.24; distiflagellomere, 0.29-0.32; length of labial segments: I, 2.11-2.30; II, 1.92-2.07; III, 1.88-1.97; IV, 1.60-1.765; width of humeral angles: 8.37-9.51; length of scutellum: 3.24-3.43; width scutellum: 3.29-3.43; length of hemelytra: 18.37-20.62; width of profemur: 0.77-0.77; width of metafemur: 1.69-1.92; length of metafemur: 12.12-13.00; width of metatibia: 3.05-3.48; length of metatibia: 13.00- 14.37; length of abdomen: 12.50-14.00; width of abdomen: 7.87-8.25.

Figures

FIG. 15. — Acanthocephala harryi n. sp., female holotype: A, dorsal view; B, ventral view; C, head, dorsal view; D, head, lateral view. Scale bars: A, B, 10 mm; C, D, 1 mm.

FIG. 16. — Acanthocephala harryi n. sp.: A, pronotum; B, metathoracic gland and evaporative area; C, female metafemur; D, female metatibia. Abbreviations: see Material and methods. Scale bars: A, 2 mm; B-D, 5 mm.

FIG. 17. — Acanthocephala harryi n. sp., female genitalia: A, pregenital and genital segments; B, first gonocoxa and gonapophysis; C, second gonocoxa and gonapophysis; D, spermatheca. Abbreviations: see Material and methods. Scale bars: A, 2 mm; B, 1 mm; C, D, 0.5 mm.

FIG. 30. — Distributional map of the new species of the genus Acanthocephala Laporte, 1833 described in the present work.