Anacroneuria itatiaiensis, Baldin, Carolina, Bispo, Pitágoras Da Conceição & Novaes, Marcos Carneiro, 2013

Baldin, Carolina, Bispo, Pitágoras Da Conceição & Novaes, Marcos Carneiro, 2013, New species and records of Anacroneuria (Plecoptera: Perlidae) from Rio de Janeiro State, Brazil, Zootaxa 3694 (4), pp. 391-397 : 394-396

publication ID

https://doi.org/ 10.11646/zootaxa.3694.4.7

publication LSID

lsid:zoobank.org:pub:43CB0DAD-6D40-4953-B024-17E0FDC46E12

DOI

https://doi.org/10.5281/zenodo.3502851

persistent identifier

https://treatment.plazi.org/id/667887F1-FFDE-FFF6-FF3D-F8E8478A1CAA

treatment provided by

Plazi

scientific name

Anacroneuria itatiaiensis
status

sp. nov.

Anacroneuria itatiaiensis View in CoL sp. n.

Figs. 6–10 View FIGURES 6 – 10

Material. Holotype male, Brazil, RJ, PNI, Rio Campo Belo; 23.xi.2001, RWH, RJB, HP.

Description. General color brown; front brown with M-line and side of the ocelli ochraceous ( Fig. 6 View FIGURES 6 – 10 ); postfrontal line U-shaped; compound eyes and ocelli black; antennae brown; labial palpi ochraceous; maxillary palpi brownish. Pronotum brown with median band and rugosities lighter ( Fig. 6 View FIGURES 6 – 10 ). Legs brownish with lighter femur. Membrane and veins of the wings light brown. Abdomen yellowish. Cerci light brown. Male. Forewing length 10 mm. Hammer conical ( Fig. 7 View FIGURES 6 – 10 ). Penial armature elongated, with a pair of relatively small distal membranous vesicles and with a strong subapical constriction in lateral view ( Figs. 8–10 View FIGURES 6 – 10 ); hooks long, regularly curved and with pointed apex ( Fig. 10 View FIGURES 6 – 10 ); prominent keel in lateral view ( Fig. 9 View FIGURES 6 – 10 ); apex of armature slightly curved dorsally ( Fig. 9 View FIGURES 6 – 10 ).

Female. Unknown

Remarks. Anacroneuria itatiaiensis and A. fuscicosta (Enderlein 1909) are similar in color and wing length, but are distinguished by the differences in details of the penial armature and in size of hammer (shorter in A. itatiaiensis ). In dorsal view, the apex of penial armature is pointed in A. itatiaiensis and rounded in A. fuscicosta . In lateral view, the penial armature of A. itatiaiensis has a strong subapical constriction, which is less pronounced in A. fuscicosta .

Etymology. The specific epithet is formed from Itatiaia, name of the Park where the specimen was collected.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Plecoptera

Family

Perlidae

Genus

Anacroneuria

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