Dryinus nearcticus (Olmi, 1984)

Guglielmino, Adalgisa & Olmi, Massimo, 2013, Revision of the extant Nearctic species of Dryinus Latreille 1804 group 1 (Hymenoptera: Dryinidae), with description of a new species from the USA, Zootaxa 3691 (5), pp. 577-590 : 587

6. Dryinus nearcticus (Olmi, 1984)

( Fig. 11 )

Richardsidryinus nearcticus Olmi, 1984: 927 .

Dryinus nearcticus (Olmi) : Moya Raygoza & Olmi 2010: 97.

Material examined. Type. Holotype Ƥ, MEXICO: Nuevo Leon, Linares (CAS).

Redescription. Female: fully winged; length 4.4 mm. Head black, except mandible and clypeus testaceous; antenna testaceous, except segments 4–10 brown; mesosoma and metasoma black; legs testaceous, except clubs of femora brown and coxae black. Antenna clavate. Head dull, completely reticulate rugose; occipital carina complete; posterior ocelli almost touching occipital carina; TL much longer than OPL; POL longer than OL. Pronotum dull, granulated, crossed by two transverse impressions, anterior one weak; posterior collar very short; pronotal tubercle not reaching tegula. Scutum dull, granulated, with numerous longitudinal keels. Notauli absent. Scutellum and metanotum shiny, granulated. Propodeum reticulate rugose, without longitudinal keels on posterior surface. Forewing missing in holotype. Protarsal segments 1–4 in following proportions: 17:2.5:4:10. Enlarged claw spatulate ( Fig. 11 ), with one strong subapical tooth and one row of 12 lamellae. Segment 5 of protarsus ( Fig. 11 ) with two rows of 31 lamellae (one row formed by eight lamellae longer than others); distal apex with about four lamellae. Tibial spurs 1/1/1.

Male. Unknown.

Hosts. Unknown.

Distribution. Mexico.

Figures

FIGURES 9 – 13. Chelae. 9. Dryinus halsteadi, holotype Ƥ. 10. D. mexicanus, holotype Ƥ. 11. D. nearcticus, holotype Ƥ. 12. D. splendidus sp. nov., holotype Ƥ. 13. D. wetmorei, holotype Ƥ. Scale bar 0.19 mm for 9, 0.17 mm for 10, 0.15 mm for 11 and 13, 0.13 mm for 12.