Orasema pirca Burks, Heraty & Dominguez, 2018

Burks, Roger A., Heraty, John M., Dominguez, Chrysalyn & Mottern, Jason L., 2018, Complex diversity in a mainly tropical group of ant parasitoids: Revision of the Orasema stramineipes species group (Hymenoptera: Chalcidoidea: Eucharitidae), Zootaxa 4401 (1), pp. 1-107 : 73-75

publication ID

https://doi.org/ 10.11646/zootaxa.4401.1.1

publication LSID

lsid:zoobank.org:pub:CE7364CD-1A9E-45F2-ABA1-FB574F03BCBE

DOI

https://doi.org/10.5281/zenodo.5966319

persistent identifier

https://treatment.plazi.org/id/1B0F9D9E-38B2-4089-B592-9D5FD4B1035B

taxon LSID

lsid:zoobank.org:act:1B0F9D9E-38B2-4089-B592-9D5FD4B1035B

treatment provided by

Plazi

scientific name

Orasema pirca Burks, Heraty & Dominguez
status

sp. nov.

Orasema pirca Burks, Heraty & Dominguez n. sp.

urn:lsid:zoobank.org:act:1B0F9D9E-38B2-4089-B592-9D5FD4B1035B ( Figs 155–162 View FIGURES 155–162 )

Diagnosis. F2 longer than F3. Mesoscutal midlobe and mesoscutellum, including axillula, alveolate. Mesoscutal midlobe with a pair of reddish areas anteriorly. Axilla anteriorly (dorsally) areolate, without distinct longitudinal carinae. Petiole in females not extending beyond hind coxal apex.

This species is similar to others with an areolate axillula and partially reddish mesoscutum. It differs from O.

arimbome in lacking longitudinal axillular carinae ( Fig. 159 View FIGURES 155–162 ), and differs from O. rikra in having a dark brown antennal flagellum ( Fig. 157 View FIGURES 155–162 ).

Description. Female. Length 2.5–3.56 mm.

Color: Head and mesosoma dark green to blue, with red to yellow luster. Pedicel brown; anellus brown; flagellum brown. Coxae brown; fore femur mostly brown, tips pale; mid and hind femora yellow. Fore wing hyaline; venation pale brown. Petiole green; gaster brown.

Head: Head width:head height 1.2–1.3; face reticulate; longitudinal groove between eye and torulus absent; eyes bare; inter-ocular distance:eye height 1.3–1.8; malar space:eye height 0.6–0.9; supraclypeal area longer than broad, smooth to weakly sculptured; clypeus smooth to weakly sculptured. Flagellum length:head height 1.7; F2 3.4–4.0× as long as broad, 1.3–1.9× as long as F3; following funiculars subequal in width, progressively shorter.

Mesosoma: Mesosoma length:height 1.3–1.6; mesoscutal midlobe areolate, with minute setae; lateral lobe areolate to areolate-reticulate. Axilla areolate to areolate-reticulate; mesoscutellar disc areolate; frenal line irregularly foveate; frenum areolate; axillular groove anteriorly absent, broad and foveate posteriorly; axillula areolate. Propodeum with irregular median carina; propodeal disc areolate to areolate-reticulate; callus reticulate, with 3–5 setae. Mesepisternum reticulate to areolate-reticulate laterally, smooth ventrally, broadly rounded anterior to mid coxa. Upper mesepimeron smooth; lower mesepimeron areolate-reticulate; transepimeral sulcus distinct. Metepisternum laterally reticulate to areolate-reticulate. Hind coxa 1.7–2.3× as long as broad; hind femur 7.1–9.0× as long as broad. Fore wing 2.3–2.8× as long as broad, 3.7–4.2× as long as mesothorax; stigma with 4 widely separated sensilla forming an L-shape; Hind wing costal cell with 1 or 2 irregular rows of setae.

Metasoma: Petiole 2.4–3.0× as long as broad, 0.7–0.9× as long as hind coxa, areolate to areolate-reticulate, anterior carina moderate. Antecostal sulcus with weak sculpture; acrosternite posteriorly angulate.

Male. Unknown.

Distribution. Bolivia, Ecuador, Peru, Venezuela.

Material examined. Holotype: PERU: Cusco: Villa Carmen Biological Station , trail 7, 547m, 12°53'33"S, 71°24'18"W, 5.viii.2014, J. Mottern, rainforest, sweep [1 ♀, UCRCENT00434573 (D4128)], deposited in MUSM GoogleMaps . Paratypes: BOLIVIA: Coroico , 1800m, 16°11'40"S, 67°43'45"W, 3–12.xii.1955, L.E. Pena [1 ♀, CNC: UCRCENT00415252 ] GoogleMaps . ECUADOR: Napo: Tena , 0°59'20"S, 77°48'57"W, 24.iii.1923, F.X. Williams [1 ♀, BMNH: UCRCENT00239260 ] GoogleMaps . PERU: Cusco: Villa Carmen Biological Station , trails 4 and 7, 563m, 12°53'37.7"S, 71°24'18.5"W, 4.viii.2014, J. Mottern, rainforest, sweep [1 ♀, UCRC: UCRCENT00434569 (D4124)] GoogleMaps . Huánuco: Monzon Valley, Tingo Maria , 750m, 9°17'59"S, 75°59'05"W, 18.ix.1954, E.I. Schlinger & E.S. Ross [1 ♀, CASC: UCRCENT00417396 ] GoogleMaps . Tingo Maria Cueva de las Pavas , 651m, 9°17'45"S, 75°59'52"W, 30.i.1984, L. Huggert [7 ♀, MZLU: UCRCENT00242572 , UCRCENT00242574–79 ] GoogleMaps . VENEZUELA: Aragua: 24km N. Maracay, Pittier Natl. Pk. , 1000m, 10°24'60"N, 67°34'49"W, 24.xii.1985, P. Kovarik & R. Jones, primary forest [3 ♀, TAMU: UCRCENT00426541 , UCRCENT00237526–27 ] . Merida: 3 km N La Azulita , 8°36'00"N, 71°09'00"W, 5.iv.1988, A.T. Finnamore [1 ♀, UCRC: UCRCENT00237528 ] GoogleMaps . La Haulita , 2 km NW, 8°43'40"N, 71°28'02"W, 11.iv.1988, A. Finnamore [2 ♀, CNCI: UCRCENT00271349–50 ] GoogleMaps .

Etymology. The Quechua word for “a construction made of fieldstone,” referring to the mesosoma color and sculpture.

PERU

Universit� di Perugia

CNC

Canadian National Collection of Insects, Arachnids, and Nematodes

UCRC

University of California, Riverside

MZLU

Lund University

TAMU

Texas A&M University

CNCI

Canadian National Collection Insects

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Eucharitidae

Genus

Orasema

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