Mikeiinae Paretas-Martinez & Pujade-Villar, 2011

Paretas-Martinez, J., Restrepo-Ortiz, C., Buffington, M. & Pujade-Villar, J., 2011, Systematics of Australian Thrasorinae (Hymenoptera, Cynipoidea, Figitidae) with descriptions of Mikeiinae, new subfamily, two new genera, and three new species, ZooKeys 108, pp. 21-48 : 22-24

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Mikeiinae Paretas-Martinez & Pujade-Villar

subfam. n.

Mikeiinae Paretas-Martinez & Pujade-Villar   ZBK subfam. n. Fig. 1 View Figure 1

Type genus:

Mikeius Buffington, 2008.


Differs from Thrasorinae by the absence of a circumtorular impression ( Fig. 1A View Figure 1 ; compare with Figs 2A, D View Figure 2 , 3A View Figure 3 , 4A View Figure 4 , 9A-B View Figure 9 ), and the absence of a distinctly projected pronotal plate ( Fig. 1C and G View Figure 1 ) ( Table 2 View Table 2 ). Differs from Plectocynipinae by lacking an extremely long posterior metatibial spur ( Fig. 6F View Figure 6 ; Ros-Farre and Pujade-Villar 2007), a laterally compressed metasoma in females (Ros-Farre and Pujade-Villar 2007), and a long, exposed hypopygium (7th sternite) in females (Ros-Farre and Pujade-Villar 2007). Differs from Euceroptrinae by lacking an areolet in the forewing, a lateral pronotal carinae (ARE, Fig. 6D View Figure 6 ; Buffington and Liljeblad 2008) and pronotal plate, having a complete ring of setae at the base of the metasoma and metasomal T4 much larger than T3. The Mikeiinae are unique among these three subfamilies in having two carinae in the median area of the pronotum that do not form a projected pronotal plate ( Fig. 1G View Figure 1 ).


Length. 2 - 3.5 mm.

Coloration. Head and mesosoma dark brown to black, antenna and legs yellowish to brown. Metasoma light brown to black.

Head. ( Fig. 1A View Figure 1 ) Frons and face with abundant setae. Transverse carinae or strigae on face absent. Clypeus distinctly projected ventrally, curved ventrally, clypeopleurostomal lines well developed. Malar furrow absent; malar space coriaceous, striate. Occiput and genae smooth without carinae. Circumtorular impression absent.

Antenna. ( Fig. 1D, E View Figure 1 ) Filiform or clavate with 10-11 flagellomeres in females (last one larger, possibly fusion of two), 12 in males. Males with F1 curved.

Mesosoma. ( Fig. 1B, C, F, G View Figure 1 ) Lateral margins of posterior part of pronotal plate short, not reaching scutum, not forming projected plate; lateral pronotal d epressions open laterally. Mesoscutum horizontally striate. Notauli complete, uniformly wide along entire length, or gently widening posteriorly. Parascutal sulcus marked only in basal half. Lateral basal impressions weak. Antero-admedian lines absent or weak. Median mesoscutal line present, short or long. Scutellum striate anteriorly and in center, rugose posteriorly; scutellar foveae round subtriangular or subquadrate, sometimes not delimited posteriorly; interfoveal carina absent. Mesopleural furrow absent or present. Propodeal carinae wide, almost straight. Pronotum, mesoscutum, scutellum, mesopleural triangle and metapleura all covered with sparse/dense setae.

Forewing. Short setae present on wing surface and along margins. Radial cell closed along anterior margin, 2 to 2.5 times longer than wide, R2 almost straight; areolet absent.

Legs. Metatibia with two spurs, sub-equal in length, not exceeding one-third the length of tarsomere 1.

Metasoma. Base of T3 with a complete or incomplete ring of setae. Tergite 3 smaller than T4; T4 large, covering almost entire metasomal surface; remaining terga short, telescoped within T4; entire metasoma shiny and smooth.


In the original description of Mikeius , Buffington (2008) erroneously described species of the genus as having 12 flagellomeres in the female antenna; the correct number is 10 or 11 ( Fig. 1 D and E View Figure 1 ).


Associated with Chalcidoidea ( Hymenoptera : Apocrita) that induce galls on species of Acacia ( Fabaceae )and Eucalyptus ( Myrtaceae ), although most of these host records await verification through isolated rearing (Buffington, 2008).



Included genus.

Mikeius Buffington, 2008.