Schlettererius\according to Tan et al 2015

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Taxonavigation

Ordo: Hymenoptera
Familia: Stephanidae

Name

Schlettererius Ashmead, 1900 – Wikispecies link – Pensoft Profile

• Schlettererius Ashmead, 1900: 150; Aguiar 2004: 75 (list of literature); Hong and Xu 2011: 71–73; Hong et al. 2011: 46–47. Type species (by monotypy and original designation): Stephanus cinctipes Cresson, 1880.

Diagnosis

Posterior part of pronotum more or less angled with remainder of pronotum (Figs 2, 13, 26); vein 1-M of fore wing distinctly curved (Figs 1, 12, 25); vein cu-a of hind wing present as pigmented vein (Figs 12, 25); hind coxa with small subapical dorsal tooth (Figs 6, 35), but absent in Schlettererius chundanae (Fig. 23); hind tibia not distinctly narrowed and compressed basally (Figs 5, 29); hind tarsus of female 5-segmented (Fig. 16); sternite of first metasomal tergite differentiated from its tergite (Figs 17, 30), first tergite 2.4–4.6 times as long as its apical width, not cylindrical, about as long as second tergite (Figs 4, 28), but distinctly longer in Schlettererius chundanae (Fig. 15); second tergite sessile and smooth or slightly sculptured basally (Figs 4, 28); posterior part of eighth metasomal tergite of female with distinct pygidial process (Figs 4, 11, 24); ovipositor sheath with wide ivory subapical band (Figs 10, 11, 22, 24, 34).

Distribution

Nearctic, East Palaearctic and Australian (only Tasmania: introduced for biological control of introduced Siricidae).

Key to species of the genus Schlettererius

Key to species of the genus Schlettererius — Q. Tan , C. Achterberg , J. Tan , X. Chen

1		Posterior part of pronotum steeply elevated above anterior part of pronotum (Fig. 2); second-third tergites yellowish brown (Fig. 4); ovipositor sheath of female with subapical whitish band about 3.5 times as long as apical blackish part (Fig. 10); Nearctic, Australian    Schlettererius cinctipes (Cresson, 1880)
–		Posterior part of pronotum moderately elevated above anterior part of pronotum (Figs 13, 26); second-third metasomal tergites black or dark brown (Figs 11, 24); subapical ivory band of ovipositor sheath of female 1.7-1.8 times as long as its apical blackish part (Figs 22, 34); Palaearctic    2
2		Length of first metasomal tergite about twice (♀) its maximum width (Fig. 28); hind coxa largely smooth (except some short striae) and with a small (in lateral view acute) subapical dorsal tooth (Figs 29, 35); in dorsal view head slightly widened behind eyes (Fig. 31); first metasomal segment wide in lateral view (Fig. 30)    Schlettererius determinatoris Madl, 1991
–		Length of first tergite 3.8-4.6 times (♀♂) its maximum width (Fig. 15); hind coxa with strong and sparse rugae, and without dorsal tooth (Figs 18, 23); in dorsal view head parallel-sided behind eyes (Fig. 19); first segment narrow in lateral view (Fig. 30)    Schlettererius chundanae sp. n.

Taxon Treatment

• Tan, Q; Achterberg, C; Tan, J; Chen, X; 2015: A new species of Schlettererius Ashmead from China, with a key to the species (Hymenoptera, Stephanidae) Journal of Hymenoptera Research, (45): 75-86. doi

Images

Figures 1–10. Schlettererius cinctipes (Cresson), female, U.S.A. 1 fore wing 2 pronotum lateral 3 mesosoma dorsal 4 metasoma dorsal 5 hind femur and tibia lateral 6 hind coxa lateral 7 head dorsal 8 head lateral 9 head anterior 10 apex of ovipositor sheath. Modified after Hong et al. (2011).  Figure 11. Schlettererius chundanae sp. n., female, holotype, habitus lateral.  Figures 12–23. Schlettererius chundanae sp. n., female, holotype. 12 wings 13 mesosoma lateral 14 mesosoma dorsal 15 first metasomal tergite dorsal 16 hind leg lateral 17 first tergite lateral 18 hind coxa dorsal 19 head dorsal 20 head anterior 21 head lateral; 22 apex of ovipositor sheath; 23 detail of hind coxa lateral.  Figure 24. Schlettererius determinatoris Madl, female, holotype, habitus lateral.  Figures 25–35. Schlettererius determinatoris Madl, female, holotype. 25 wings 26 mesosoma lateral 27 mesosoma dorsal 28 first metasomal tergite dorsal 29 hind leg lateral 30 first tergite lateral 31 head dorsal 32 head anterior 33 head lateral; 34 apex of ovipositor sheath; 35 detail of hind coxa lateral.