Eretmocerus garrywardi Ward 2016

Ward, Samantha E., Shih, Yuan Tung, Ko, Chiun-Cheng & Polaszek, Andrew, 2016, Two new species of Eretmocerus Haldeman (Hymenoptera: Aphelinidae) parasitizing Aleurolobusrhododendri Takahashi and Dialeuroporadecempunctata (Quaintance & Baker) (Hemiptera: Aleyrodidae) from Taiwan, Biodiversity Data Journal 4, pp. 7713-7713 : 7713

Eretmocerus garrywardi Ward 2016 sp. n.

Materials

Type status: Holotype. Occurrence: recordedBy: Yuan Tung Shih; individualID: 5981/298; individualCount: 1; sex: ♀; lifeStage: adult; previousIdentifications: Dialeuroporadecempunctata on Machiluszuihensis 5981/298; Taxon: scientificName: Eretmocerusgarrywardi; Location: country: Taiwan; county: Pingtung; locality: Wanluan ; Event: eventDate: 29-XI-2005; Record Level: institutionCode: Natural History Museum, London, UK (BMNH) Type status: Paratype. Occurrence: occurrenceRemarks: ex Bemisiatabaci on Emiliasonchifolia; recordedBy: Yuan Tung Shih; individualCount: 5; sex: 4 ♀ 1 ♂; lifeStage: adult; Taxon: scientificName: Eretmocerusgarrywardi; Location: country: Taiwan; county: Taoyuan; locality: Guanyin ; Event: eventDate: 12-IX-2010; Record Level: institutionCode: National Taiwan University, Taipei, Taiwan (NTU) Type status: Paratype. Occurrence: occurrenceRemarks: ex Dialeuroporadecempunctata on Machiluszuihensis; recordedBy: Yuan Tung Shih; individualID: 5981/298; individualCount: 1; sex: ♀; lifeStage: adult; Taxon: scientificName: Eretmocerusgarrywardi; Location: country: Taiwan; county: Pingtung; locality: Wanluan ; Event: eventDate: 29-XI-2005; Record Level: institutionCode: Natural History Museum, London, UK (BMNH) Type status: Paratype. Occurrence: occurrenceRemarks: ex Dialeuropora sp. on M.zuihensis; recordedBy: Yuan Tung Shih; individualCount: 1; sex: ♀; lifeStage: adult; Taxon: scientificName: Eretmocerusgarrywardi; Location: country: Taiwan; municipality: Taipei City; locality: Beitou ; Event: eventDate: 18-XII-2008; Record Level: institutionCode: National Taiwan University, Taipei, Taiwan (NTU) Type status: Paratype. Occurrence: occurrenceRemarks: ex D.decempunctata on M.zuihensis; recordedBy: Yuan Tung Shih; individualCount: 3; sex: ♀; lifeStage: adult; Taxon: scientificName: Eretmocerusgarrywardi; Location: country: Taiwan; county: Changhua; locality: Baguashan ; Event: eventDate: 17-I-2011; Record Level: institutionCode: National Taiwan University, Taipei, Taiwan (NTU) Type status: Paratype. Occurrence: occurrenceRemarks: ex D.decempunctata on M.zuihensis; recordedBy: Yuan Tung Shih; individualCount: 1; sex: ♀; lifeStage: adult; Taxon: scientificName: Eretmocerusgarrywardi; Location: country: Taiwan; municipality: Taichung; locality: Dakeng ; Event: eventDate: 3-VI-2013; Record Level: institutionCode: National Taiwan University, Taipei, Taiwan (NTU) Type status: Paratype. Occurrence: occurrenceRemarks: ex D.decempunctata on M.zuihensis; recordedBy: Yuan Tung Shih; individualCount: 2; sex: ♀; lifeStage: adult; Taxon: scientificName: Eretmocerusgarrywardi; Location: country: Taiwan; municipality: New Taipei City; locality: Linkou ; Event: eventDate: 10-VI-2013; Record Level: institutionCode: National Taiwan University, Taipei, Taiwan (NTU) Type status: Paratype. Occurrence: occurrenceRemarks: ex D.decempunctata on Rubus sp.; recordedBy: Ko Chiun-Cheng; individualCount: 1; sex: ♀; lifeStage: adult; Taxon: scientificName: Eretmocerusgarrywardi; Location: country: Taiwan; county: Nantou; locality: Puli ; Event: eventDate: 8-XII-1995; Record Level: institutionCode: Taiwan Agricultural Research Institute, Wufeng, Taiwan (TARI)

Description

Female holotype.

Body length: 0.90 mm.

Colour. Head and body entirely yellow, wings hyaline. Legs pale yellow except basal margins of mid and hind femora darker.

Morphology.

Antenna (Fig. 1). Radicle 2.5 × as long as wide; scape 4.8 × as long as wide, 3.8 × as long as radicle, 3.2 × pedicel length, 0.7 × clava length; pedicel 1.8 × as long as wide, 1.2 × as long as radicle, 0.3 × scape length; funicle I and 2 anelliform / transverse; clava pointed, blade-shaped, 4.6 × as long as the greatest width 1.5 × scape length.

Head (Figs 2, 3). Vertex with 11-13 pairs of setae; face and occiput with transverse substrigose sculpture, interscrobal area vertically strigose; face with 12-16 pairs of setae; supraclypeal area with 10-18 setae; clypeus with 2+2 setae. Mandible unusually small.

Mesosoma (Fig. 4). Mid lobe of mesoscutum with 6 setae, anterior part with cellular reticulate sculpture, remainder with faint elongate reticulations; side lobe with 2 setae, anterior margins with faint reticulations; axilla with 1 seta, faintly reticulate; scutellum with 4 setae, anterior pair shorter, 0.8x posterior pair length, 2 placoid sensilla placed laterally equidistant from both paired setae; frenal arms long, exceeding metanotum; metanotum narrower centrally than propodeum; propodeum elongate, with faint transverse reticulations, central lobe broad and smooth.

Wings (Fig. 6). Fore wing 2.4 × as long as maximum width of disc; longest posterior alar fringe 0.3 × maximum disc width; marginal vein with 2-3 long setae; wing disc with setae clearly arranged in lines, with linea calva present.

Legs. Fore coxa with 3 setae on lateral margin; trochanter with 2 short setae and without reticulations. Mid coxa with 4 setae; mid tibial spur 0.5 × basitarsus length. Hind coxa with 2 pairs of setae, 1 short pair placed close to the base; trochanter with 3 setae; hind tibial spur 0.5 × basitarsus length.

Gaster. Gastral tergite 1 with reticulations on lateral margins; tergites 1-6 with paired setae as follows: 1, 1, 1, 2, 3, 3-4; syntergum (T7) with 4 setae; ovipositor (Fig. 5) weakly exserted, nearly equal to clava length, 1.7 × scape length, 1.1 × mid tibia length.

Male.

Colour. Similar to female, except middle area of mid lobe of mesoscutum and scutellum pale brown. Marginal vein and Submarginal vein pale brown.

Head as female, except interscrobal area circular, fewer setae on vertex, face and occiput. Antenna with 3 segments, clava cylindrical, acutely pointed at apex. Mesosoma as female, except mid lobe of mesoscutum, and scutellum, with strong reticulate sculpture. Genitalia with elongate aedeagus, phallobase present.

Diagnosis

Eretmocerus garrywardi sp.n. can be distinguished from other species in the genus by the following combination of characters: Antennal clava laminate and blade-shaped. F1 ring-like; F2 triangular-trapezoid. Mid lobe of mesoscutum with 6 setae; side lobe of mesoscutum with 2 setae; propodeum elongate. Fore wing with an unusual linear arrangement of setae; marginal vein longer than stigmal vein; marginal fringe more than 0.25x wing width.

Etymology

Named for Garry Ward, father of the first author.

Distribution

TAIWAN: New Taipei City: Beitou; Taoyuan: Guanyin, Linkou; Taichung City: Dakeng, Puli; Changhua County: Baguashan; Pingtung County: Wanluan.

Biology

Hosts: Hemiptera : Aleyrodidae : Dialeuropora decempunctata (Quaintance & Baker), Bemisia tabaci (Gennadius).