Diglyphus chabrias (Walker)

Hansson, Christer & Navone, Paolo, 2017, Review of the European species of Diglyphus Walker (Hymenoptera: Eulophidae) including the description of a new species, Zootaxa 4269 (2), pp. 197-229 : 201-202

Diglyphus chabrias (Walker)

Figs 21, 22, 29 , 34 , 54, 55 , 72 , 78

Cirrospilus chabrias Walker, 1838:451 , lectotype male in BMNH (type no. 5.2589), examined.

Diglyphus chabrias ; Walker, 1844: 407 –410. Asecodes chabrias ; Dalla Torre, 1898: 46.

Diagnosis. Scape completely dark ( Figs 54, 55 ); legs ( Fig. 34 ): femora dark and metallic with apical ¼ –¼ white; fore tibia with anterior surface white and posterior surface dark and metallic or dark brown, mid and hind tibiae dark and metallic with apical ¼ –¼ white; fore wing speculum with a few scattered setae ( Fig. 72 ); male with antennal flagellomeres densely setose with short hairs ( Fig. 55 ); male gaster completely dark and metallic ( Fig. 22 ).

Material. Denmark: 1♀ 1♂ ( BMNH, MZLU) . France: 6♀ 2♂ ( BMNH) . Greece (Crete): 5♀ ( BMNH) . Hungary: 1♂ ( BMNH) . Italy: 2♀ ( BMNH) . Norway: 1♀ ( BMNH) . Portugal (Madeira): 1♀ 1♂ ( BMNH) . Russia: 1♀ 3♂ ( ZISP) . Spain (Canary Islands): 4♂ ( BMNH) . Sweden: 44♀ 24♂ ( BMNH, MZLU) . United Kingdom: 58♀ 55♂ ( BMNH) .

The specimens from Sweden, identified as D. chabrias in Hansson (1987) , were misidentified, instead they are D. begini .

Distribution. Bulgaria ( Boyadzhiev 1997), Czech Republic ( Kalina 1989), Denmark *, France *, Germany ( Bouček & Askew 1968), Greece *, Hungary ( Bouček & Askew 1968), Iran (Yefremova et al. 2007), Italy *, Netherlands ( Gijswijt 2003), Norway ( Bouček & Askew 1968), Portugal (Madeira) ( Koponen & Askew 2002), Russia ( Yefremova 2002), Slovakia ( Kalina 1989), Spain (Canary Islands) ( Koponen & Askew 2002), Sweden ( Bouček & Askew 1968), Turkey ( Yefremova et al. 2011), United Kingdom ( Walker 1838).

Figures

FIGURE 78. Diglyphus spp., schematic drawings of femora + tibiae from top to bottom: fore, mid and hind leg; scape + pedicel. Species are arranged according to colour of the scape, from pale to dark, and then according to colour of the legs, also from pale to dark.

FIGURES 17 – 30. 17 – 28, Diglyphus spp., length of body, habitus in dorsal view: 17, D. sabulosus Erdös female, 1.6 mm; 18, D. sabulosus male, 1.5 mm; 19, D. begini (Ashmead) female, 1.7 mm; 20, D. begini male, 1.1 mm; 21, D. chabrias (Walker) female, 2.1 mm; 22, D. chabrias male, 1.6 mm; 23, D. eleanorae Graham female, 1.6 mm; 24, D. eleanorae male, 1.5 mm; 25, D. pachyneurus Graham female, 1.9 mm; 26, D. pachyneurus male, 1.6 mm; 27, D. propodealis Szelényi female holotype, 1.5 mm; 28, D. subplanus (Erdös) female, 1.3 mm. 29 & 30. Stigmal vein: 29, D. chabrias; 30, D. propodealis.

FIGURES 31 – 36. Diglyphus spp., length of body, female habitus in lateral view: 31, D. albiscapus Erdös, 1.5 mm; 32, D. anadolucus Doganlar, 1.7 mm; 33, D. begini (Ashmead), 1.7 mm; 34, D. chabrias (Walker), 2.0 mm; 35, D. crassinervis Erdös, 2.0 mm; 36, D. eleanorae Graham, 1.6 mm.

FIGURES 49 – 60. Diglyphus spp., head & antenna in lateral view: 49, D. albiscapus Erdös female; 50, D. anadolucus Doganlar female; 51, D. anadolucus male; 52, D. begini (Ashmead) female; 53, D. begini male; 54, D. chabrias (Walker) female; 55, D. chabrias male; 56, D. crassinervis Erdös female; 57, D. eleanorae Graham female; 58, D. eleanorae male; 59, D. isaea (Walker) female; 60, D. isaea male.

FIGURES 72 – 77. 72 – 73, Diglyphus spp., right fore wing, females: 72, D. chabrias (Walker); 73, D. isaea (Walker). 74 – 77, Diglyphus spp., right wing-pair, males: 74, D. anadolucus Doganlar; 75, D. crassinervis Erdös; 76, D. pachyneurus Graham; 77, D. clematidis sp. nov.