Daridna nielsoni, Barbosa & Gonçalves, 2021

Barbosa, Julianna Freires & Gonçalves, Clayton Corrêa, 2021, Coelidinae (Insecta: Hemiptera: Cicadellidae) from Tambopata, Madre de Dios Peru: checklist with new records and description of a new species of Walker, 1858, Zootaxa 4964 (2), pp. 288-302 : 289-291

publication ID

https://doi.org/ 10.11646/zootaxa.4964.2.3

publication LSID

lsid:zoobank.org:pub:419503E9-0B21-47A6-8197-EC7C76FCC03E

DOI

https://doi.org/10.5281/zenodo.4740827

persistent identifier

https://treatment.plazi.org/id/03AAB13E-FFE7-0E0B-FF75-67D7FF6EFBD1

treatment provided by

Plazi

scientific name

Daridna nielsoni
status

sp. nov.

Daridna nielsoni sp. nov.

( Figs 2–15 View FIGURES 2–13 View FIGURES 14–25 )

Holotype male. Peru, MD [Madre de Dios], Albergue Refugio Amazonas , 12º52’30”[S]/69º24’35”[W], 231 m, 25.ii.2016, leg. J. Grados // Wired Amazon Project, Pan Trap: 1m ( MUSM) . Paratypes. 1m: idem holotype, except 17.iii.2016 , leg. D. Couceiro/ Wired Amazon Project (DZRJ-AUCH-167); 3m: 05.x.2016 ( MUSM) ; 1m: 09.x.2016 ( MUSM) ; 3m: 13.x.2016 ( MUSM) ; 1m: 28.xi.2016 ( MUSM) ; 1m: 01.xii.2016 ( MUSM) ; 1m: 19.xii.2016 ( MUSM) ; 1m: 17.iv.2017 ( MUSM) ; 1m: 20.iv.2017 ( MUSM) ; 1m: 30.iv.2017 ( MNRJ) ; 2m: 06.v.2017 ( MUSM) ; 2m: 05.vi.2017 (DZRJ-AUCH-168, 169); 1m: 29.x.2017 (DZRJ-AUCH-170); 3m: 27.xi.2017 (DZRJ-AUCH-171- 173); 1m: 22.i.2018 ( MNRJ) ; 1m: idem holotype, except leg. J. Shoobridge, 17.iv.2018 ( CEIOC) ; 1m: 03.v.2018 ( CEIOC) .

Length. 8.2–8.5 mm (males n = 26).

Diagnosis. Style ( Figs 9–10 View FIGURES 2–13 ) with apical half enlarged, apex slightly emarginate. Aedeagus ( Figs 11–13 View FIGURES 2–13 ) with flap-like process on the left side at mid-lenght with one continuous row of spines bifurcating near the apex.

Color. Yellow with black areas ( Figs 2–4 View FIGURES 2–13 , 14–15 View FIGURES 14–25 ). Crown yellow with a large black H-shaped median macula, extending from the posterior margin to the ocelli; clypeus black with a yellow fusiform median longitudinal strip that extends along its entire length to the dorsal portion of the clypellus; clypellus black; antennal ledges yellow; gena yellow, except for a black portion below the eyes and adjacent to the clypeus; lorum mostly yellow except for a black portion adjacent to the clypeus and clypellus; maxilary plates and labium black. Pronotum yellow with three black longitudinal stripes, one median and two lateral, one behind each eye; mesonotum mostly black, with two yellow lateral stripes in the posterior two-thirds; scutellum yellow ( Figs 2 View FIGURES 2–13 , 14 View FIGURES 14–25 ). Forewing dark brown hyaline, clavus with an orange band adjacent to the claval suture, corium with four depigmented areas, first largest in middle third, extending from costal margin to M vein, others in posterior third, arranged obliquely between apical cells ( Fig. 5 View FIGURES 2–13 ).

External morphology. Crown ( Fig. 2 View FIGURES 2–13 ) with anterior margin rounded produced anterad beyond eyes, slightly wider than long, interocular width about one-third of transocular width; lateral margins slightly divergent; disk slightly depressed. Clypeus ( Fig. 3 View FIGURES 2–13 ) long and broad; lateral margins converging apically; apex convex, slightly larger than base. Clypellus ( Fig. 3 View FIGURES 2–13 ) V-shaped, four-ninths length of clypeus; in lateral view ( Fig. 4 View FIGURES 2–13 ), with basal half swollen Pronotum ( Fig. 2 View FIGURES 2–13 ) large, distinctly larger than head; median length about twice crown median length; surface striate. Scutellum ( Fig. 2 View FIGURES 2–13 ) large, median length about four-ninths of pronotum median length. Forewing ( Fig. 5 View FIGURES 2–13 ) apex acutely angled; with 3 anteapical cells and 5 apical cells.

Male genitalia. Pygofer, in lateral view ( Fig. 6 View FIGURES 2–13 ) short, taller than long, apex ( Fig. 7 View FIGURES 2–13 ) apparently bilobed apically: dorsal lobe digitate with dorsal margin with small denticles, ventral lobe rectangular with several setae; caudodorsal process short and spatulate, reaching base of caudal margin lobes; caudoventral process absent. Subgenital plate long, narrow, in lateral view ( Fig. 6 View FIGURES 2–13 ), slightly exceeding apex of pygofer; in ventral view ( Fig. 8 View FIGURES 2–13 ), slightly enlarged on second-third of length, tapering apically; with numerous setae on apical fourth; apex acutely rounded. Connective, in dorsal view ( Fig. 9 View FIGURES 2–13 ), Y-shaped; with well-developed dorsal keel, stem very short; arms long and wide. Style ( Fig. 9 View FIGURES 2–13 ) short, approximately twice length of connective, not reaching apex of aedeagus; in lateral view ( Fig. 10 View FIGURES 2–13 ), apodeme and basal portion of apophysis expanded dorsally, rounded, flap-like; apophysis short, with apical half enlarged, apex slightly emarginate. Aedeagus ( Figs 11–13 View FIGURES 2–13 ) asymmetrical, long and tubular; flap-like process on left side at mid-length with one continuous row of spines bifurcating near apex; gonopore at mid-length; apex hooked; dorsal apodeme long, approximately two-thirds length of shaft. Anal tube with abdominal segment X ( Fig. 6 View FIGURES 2–13 ) long, without process.

Female unknown.

Taxonomic notes. This species is very similar to Daridna subtangens Walker, 1858 , although Daridna nielsoni can be easily distinguished by the emarginated apex of the style ( Fig. 10 View FIGURES 2–13 ) and the aedeagus lacking a pectinate process at mid-length, with one continuous row of spines bifurcating near the apex ( Figs 11–13 View FIGURES 2–13 ).

Etymology. The species epithet is in honor of Dr. Merv Nielson for his valuable contributions to Coelidinae studies.

MNRJ

Museu Nacional/Universidade Federal de Rio de Janeiro

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hemiptera

Family

Dictyopharidae

Genus

Daridna

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