Necremnus tidius (Noyes, 2013)

Gebiola, Marco, Bernardo, Umberto, Ribes, Antoni & Gibson, Gary A. P., 2015, An integrative study of Necremnus Thomson (Hymenoptera: Eulophidae) associated with invasive pests in Europe and North America: taxonomic and ecological implications, Zoological Journal of the Linnean Society 173 (2), pp. 352-423 : 396

NECREMNUS TIDIUS SPECIES GROUP

Diagnosis

Both sexes: Fore wing with postmarginal vein at least 1.3 × length of postmarginal vein. Female: tegula variable in colour pattern; propodeum variable in placement of spiracle relative to posterior margin of metanotum; fore wing hyaline; composite length of F1 + anelli at most about 1.8 × (usually only 1.6 ×) length of pedicel, and at most 2.8 × as long as broad. Meso- and metatibiae with only extreme base (knees) abruptly pale, tarsi usually with only basitarsi pale. Male: antenna with mps on one or both of R2 and R3 but lacking from R1 and with long, hair-like setae on all three rami or, if with mps on all three rami ( N. leucarthros ), then setae very short, similar in length to mps ( Fig. 150 ). Hosts include Coleoptera , usually Curculionidae , but possibly also insects of other orders.

Figures

Figures 145–150. Necremnus leucarthros. 145, ♀ dorsal habitus (2013-72); 146, ♀ lateral habitus (2012-2); 147, ♀ scutellumpropodeum (2012-72); 148, ♀ fore wing base (2013-73) (arrow points to subcubital setal line); 149, ♀ head and antennae (2012-2); 150, ♂ head and antenna (2012-3).