Baeus hallarakeri, Stevens, 2007

Stevens, N. B. & Austin, A. D., 2007, Systematics, distribution and biology of the Australian ' micro-flea' wasps, Baeus spp. (Hymenoptera: Scelionidae): parasitoids of spider eggs., Zootaxa 1499, pp. 1-45 : 19-20

publication ID

21213

publication LSID

lsid:zoobank.org:pub:D72B854C-7A85-446F-9041-78B9EA38CFBA

DOI

https://doi.org/10.5281/zenodo.6247811

persistent identifier

https://treatment.plazi.org/id/E0CE296E-381F-4694-88BE-CE6064855557

taxon LSID

lsid:zoobank.org:act:E0CE296E-381F-4694-88BE-CE6064855557

treatment provided by

Thomas

scientific name

Baeus hallarakeri, Stevens
status

sp. nov.

4. Baeus hallarakeri, Stevens View in CoL   HNS , sp. nov.

(Figs 7B, 8E & F, 15B)

Holotype: ♀, Tasmania, ' 41.19S 147.56E, Intake Bridge , 13-29. Jan. 1983, Tas., I. D. Naumann & J. C. Cardale, ex pantrap' ( ANIC). GoogleMaps

Paratypes: Tasmania: 2 ♀♀, same data as holotype ( ANIC) 3 ♀♀, 42.12S 146.30E, 9 km S Bronte Park , 15.i-3.ii.1983, I. D. Naumann & J. C. Cardale, ex pantrap ( ANIC) GoogleMaps ; 1 ♀, 41.22S 147.24E, 10 km ENE of Nunamara , 12.i-6.ii.1983, I. D. Naumann & J. C. Cardale, ex pantrap ( ANIC) GoogleMaps ; 1 ♀, 42.10S 146.10E, 7 km SW by W Derwent Bridge , 16.i-2.ii.1983, I. D. Naumann & J. C. Cardale, ex pantrap ( ANIC) GoogleMaps .

Description. Female. Mean length 0.60 mm (0.58-0.62; n = 5); body and head brown, legs and antennae generally same as body and head but with lighter markings on ventral surfaces and apical areas of each segment.

Head. 1.83 (1.80-1.87) x as wide as inter-ocular distance, 1.85 (1.80-1.93) x as wide as long; medial ocellus10 µm in diameter, 59 (50-65) µm from posterior head margin; lateral ocelli 3 (0-5) µm from eye margin, 20 µm from posterior head margin; posterior ocellar line equal to inter-ocular distance; vertex coriarious, pilosity mostly dense along posterior margin, moderately dense elsewhere, of medium length overall; eyes ovoid, eye height 0.53 (0.52-0.57) head height, eye width 0.46 (0.43-0.50) x eye length, pilosity of medium length; frontal carina usually not reaching 0.5 or more distance to medial ocellus (0.37-0.52); cristulations on malar region not extending to within 10 µm of eye margin; in postero-lateral view, anterior and posterior genal margins varying from parallel to divergent medially; anterior genal margin in contact with 0.70 of ventral eye margin length; posterior eye margin touching hyperoccipital carina.

Mesosoma. Length 0.75 (0.73-0.79) x width; both mesoscutum and mesoscutellum coriarious, pilosity moderately dense except anterior region of mesoscutum which is dense, of medium length overall; medio-dorsally, propodeum may be glabrous, plicate, or intermediate between the two; mesoscutum length 0.56 (0.56- 0.58) x width, 0.68 (0.67-0.69) x mesosoma length and 3.27 (2.86-3.67) x mesoscutellum length; mesoscutellum length 1.82 (1.50-2.00) x propodeum length; sculpturing dorsal mesopleuron and dorso-lateral propodeum confused; propodeal spiracle small and ovoid; posterior suture of metapleuron curved slightly medially, extending dorsally above level of antero-lateral margin of T2; posterior margin metapleuron elevated from anterior region of propodeum; hind femoral spine absent.

Metasoma. T2 length 1.0 (0.93-1.00) x width, faintly coriarious, pilosity dense in patches along anterior margin, but mostly moderately dense except towards posterior region which is sparse, setae of medium length overall; T3 smooth and nitid, bearing one row of setae; T4 glabrous.

Comments. Baeus hallarakeri   HNS is similar to B. glenysae   HNS , B. murphyi   HNS and B. mymyae   HNS , the most obvious difference being its larger eyes.

This species is known only from Tasmania (Fig 15B).

Baeus hallarakeri   HNS is named in honour of Torstein Hallaraker, Senior, of Norway.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Scelionidae

Genus

Baeus

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