Netelia (Parabates), Forster, 1869

Pham, Nhi Thi, Chen, Hsuan-Pu & Konishi, Kazuhiko, 2021, Notes on the genus Netelia, subgenus Parabates (Ichneumonidae, Tryphoninae) with description of a new species from Oriental Region, Zootaxa 4974 (3), pp. 577-584 : 578

Subgenus Parabates Förster, 1869

Parabates Förster, 1869 (Type species: Parabatus nigricarpus Thomson, 1888 ; desig. by Enderlein, 1912)

Parabatus Thomson, 1888 ; emendation for Parabates

Opheltoideus Ashmead, 1900 (Type species: Opheltoideus johnsoni Ashmead, 1900 ; monobasic); synonymized by Viereck (1912: 46).

Diagnosis. Small sized species for the genus Netelia , length of fore wing 5.5–9.1 mm. Body yellow, whitish or reddish yellow in ground color. Occipital carina absent; lateral carina of scutellum distinct only on its anterior 1/3; propodeum faintly strigate on median portion, usually without sublateral crest; fore wing with 3rs-m absent or its anterior 1/2 present, 1cu-a antefurcal or slightly postfurcal to M&RS; hind tarsal claw with pectination not extending beyond apex; paramere with or without a spine on dorsal margin, brace and pad present and digitus with ventroapical corner pointed; basal apodeme of aedegus with dorsal margin markedly convex in lateral view; ovipositor about twice as long as apical height of metasoma.

Remarks. Konishi (1985) claimed that the shape of basal apodeme of aedeagus is characteristic of Parabates . That is, the basal apodeme of aedeagus is broadened around middle, so its dorsal margin is convex (arrow in Fig. 9 ). Later, Bennett (2015) stated that this is only based on three Japanese species and putative. However, judging from the figures of Townes (1938; Fig. 12 as monticola ) for johnsoni, Tolkanitz (1974; Fig. 3-1 ) for nigricarpus and Kaur & Jonathan (1979; Fig. 19) for foersteri , all extant species share the character state of basal apodeme of aedeagus. Thus, it is considered to be a synapomorphy of the subgenus and to support its monophyly.

This subgenus can be divided into two species groups, the nigricarpus and the ishiharai groups, based on the differences in the following characters: fore wing vein 1cu-a antefurcal ( ishiharai group) or postfurcal ( nigricarpus group); the paramere of male genitalia with a spine on subapical portion of dorsal margin ( ishiharai group) or not ( nigricarpus group); the ventro-apical margin of paramere bulging ( nigricarpus group) or not ( ishiharai group). The members of each species group as follows: The nigricarpus group: nigricarpus (Thomson, 1888) , johnsoni (Ashmead, 1900) , foersteri Kaur & Jonathan, 1979 and the ishiharai group: ishiharai Uchida, 1953 , fusca Konishi, 1985 , following new species.

Figures

FIGURES 7–9. Netelia (Parabates) fusciapicalis sp. nov. male; 7, paramere in median view; 8, paramere in ventro-median view; 9, aedeagus in lateral view; a, width of paramere at apex of lamina volsellaris; b, width of paramere at base of marginal spine. Scale: 0.5 mm.

FIGURES 2–4. Netelia (Parabates) fusciapicalis sp. nov., male. 2, head in dorsal view; 3, head in frontal view; 4, mesosoma in dorsal view.