Seticornuta flava, Alvarado, 2022

Alvarado, Mabel, 2022, Darwin wasps of the genus Seticornuta Morley, 1913 (Ichneumonidae: Metopiinae) in the Neotropical region, with a key to species, European Journal of Taxonomy 839, pp. 149-175 : 162-164

publication ID

https://doi.org/ 10.5852/ejt.2022.839.1939

publication LSID

lsid:zoobank.org:pub:E4615884-F227-4551-AB5A-A60482E8DE37

DOI

https://doi.org/10.5281/zenodo.7198567

persistent identifier

https://treatment.plazi.org/id/B85C054C-3F42-4466-8155-42592020ECBA

taxon LSID

lsid:zoobank.org:act:B85C054C-3F42-4466-8155-42592020ECBA

treatment provided by

Felipe

scientific name

Seticornuta flava
status

sp. nov.

Seticornuta flava sp. nov.

urn:lsid:zoobank.org:act:B85C054C-3F42-4466-8155-42592020ECBA

Figs 5 View Fig , 10K View Fig , 11B View Fig

Diagnosis

This species can be recognized by this combination of features: pronotum yellow, mesoscutum yellow with three longitudinal brownish black vittae, and metapleuron rectangular.

Etymology

The specific epithet ‘ flava ’ is from the Latin, meaning ‘yellow’, in reference to the predominantly yellow mesosoma of this species.

Material examined

Holotype

BRAZIL • ♀; “ BRAZIL: Sta. Cata Nova Teutonia 28.4.1949 F. Plaumann Coll B.M. 1957–341”; NHMUK.

Paratype

BRAZIL • 1 ♀; “Brasilien Nova Teutonia 27°11′B 52°23′L, 300–500m 30.v.1952 Fritz Plaumann [ CNC493238 View Materials ]”; CNC. GoogleMaps

Description

Female

MEASUREMENTS. Body length 8.4 mm. Fore wing length 5.3 mm.

HEAD. Face+clypeus 0.9 × as wide as long; labrum exposed when mandibles closed; malar space 0.5 × as long as basal mandibular width; lateral ocellus separated from compound eye by 0.7 × ocellar diameter; distance between ocelli 1.5 × maximum ocellar diameter; head posteriorly behind ocellar triangle concave; gena, on lateral view 0.8 × as long as compound eyes; occipital carina complete; antenna with 28 flagellomeres, ratio of length from second to fourth flagellomeres: 1.3:1.2:1.2, subapical flagellomere 1.3 × as long as centrally wide.

MESOSOMA. Epicnemial carina complete; metapleuron rectangular, dorsal margin weakly declivous posteriorly, abruptly down-turned, postero-dorsally curved forming obtuse angle, glabrous; submetapleural carina smooth, anteriorly expanded into a conspicuous triangular lobe. Propodeum with lateromedian longitudinal carina strong, parallel; lateral longitudinal carina strong, absent anterior to spiracle; posterior transverse carina strong. Fore wing with Cu1a between Cu1b and 2m-cu 1.6 × as long as Cu1 between Rs&M and 1m-cu. Hind wing with distal abscissa of Cu1 sclerotized throughout, abscissa of M faint.

METASOMA. Metasoma with tergite I 0.8 × as long as posteriorly wide, lateromedian carinae extending 0.8 × length of tergite; tergite II 0.8 × as long as posteriorly wide; laterotergite II 0.5 × as long as wide, wedge-shaped, mesal edge convex; laterotergite III 0.7 × as long as wide, semicircular.

COLOR. Head extensively light yellow with interocellar area black and area behind interocellar area (between posterior ocelli) brownish; antennae black; meso- and metatarsomeres with a distal band brownish; mesoscutum light yellow with three longitudinal brownish black vittae; wings hyaline; metasoma black.

VARIATION. The paratype differs from the holotype in the following: malar space 0.6 × as long as basal mandibular width; distance between ocelli 1.3 × its own maximum diameter; occipital carina complete, angled before reaching to hypostomal carina (at about 0.7 × as long as basal mandibular width); antenna with 29 flagellomeres, ratio of length from second to fourth flagellomeres: 1.3:1.1:1.1; fore wing with Cu1a between Cu1b and 2m-cu 1.5 × as long as Cu1 between Rs&M and 1m-cu; metasoma with tergite I 0.9 × as long as posteriorly wide, lateromedian carinae extending 0.7 × length of tergite; tergite II 0.7 × as long as posteriorly wide; laterotergite II 0.6 × as long as wide; laterotergite III 0.8 × as long as wide.

Male

Unknown.

Remark

This species was collected in the Brazilian state of Santa Catarina ( Fig. 11B View Fig ), at the same locality as S. curupira sp. nov.

NHMUK

Natural History Museum, London

CNC

Canadian National Collection of Insects, Arachnids, and Nematodes

GBIF Dataset (for parent article) Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF