Dicyphus tamaninii, WAGNER, 1951

Sanchez, Juan Antonio & Cassis, Gerasimos, 2018, Towards solving the taxonomic impasse of the biocontrol plant bug subgenus Dicyphus (Dicyphus) (Insecta: Heteroptera: Miridae) using molecular, morphometric and morphological partitions, Zoological Journal of the Linnean Society 184, pp. 330-406 : 400-401

DICYPHUS TAMANINII WAGNER, 1951

( FIGS 11 C, 22 A, 33, 39)

Dicyphus tamaninii Wagner, 1951: 16 (original description); Carvalho, 1958: 200 (world catalogue); Schuh, 1995: 495 (world catalogue); Kerzhner & Josifov, 1999: 24 (Palaearctic catalogue).

Material examined

Croatia: Palagruza , 42.39222°N 16.25833°E, 19 May 1949, Novak, paratypes 2♂♂ ( AMNH _ PBI 00208572 , AMNH _ PBI 00208652 ), 1♀ ( AMNH _ PBI 00208653 ) ( MZH) . Split , Dalmatia, 43.50000°N 16.43333°E, Novak, paratype, 1♀ ( AMNH _ PBI 00208651 ) ( MZH) . Palagruza , 42.39222ºN 16.25833ºE 19 May 1949, Novak, 1♂, ( UNSW _ ENT 00026528 ) .

France: París: Seine, 48.8ºN 2.3ºE, 100 m, 23 Nov 2006, ex. Erigeron canadensis (L.) Cronquist ( Asteraceae ), Matocq & Derzhansky, 1♂, ( AMNH _PBI00209595) ( MNHN); Audi: Leucate, 42.91030ºN 3.02816ºE, 23 m, 1 Jun 1991, Pericart & Matocq, 1 ♀ ( AMNH _ PBI00209596) ( MNHN).

Corsica: Haute Corse: Barcaggio, Bord de mer, 43.00616ºN 9.40129ºE, 5 m, 24 Nov 1999, Matocq, 1 ♂ ( AMNH _ PBI00209598 ) ( MNHN) .

G r e e c e: L a c o n i e: M o n e m v a s s i a: 3 6.6 8 7 6 0º N 23.05603ºE, 24 m, 5 May 1998, Magnien, Péricart & Matocq, 1♂ ( AMNH _ PBI00209597 ) (MNHN) .

Diagnosis

Dicyphus tamaninii is recognized by the following combination of characters: macropters and brachypters in both sexes ( Wagner, 1951); body length 3.92–4.29 mm in macropterous males, 4.17–4.53 mm in macropterous females; Wagner (1951) reported body length for brachypterous males (3.0– 3.2 mm) and females (3.7–4.4 mm). Body stramineous with dark-brown markings, orange markings, sometimes with red highlighting ( Fig. 33); dark brown X-shaped marking on frons+vertex not extending beyond medial angles of eyes; AI stramineous with reddish brown subbasal and subapical annulations; AII mostly stramineous, with apical 1/3rd dark brown; vertex and mesoscutum mostly orange; AI 1.22–1.70× longer than interocular distance in macropterous males; AII 1.01–1.21× longer than posterior width of pronotum in macropterous males; left paramere with moderately robust and elongate apophysis, with spatulate crest narrow and elongate ( Fig. 11C); aedeagus with three endosomal lobes, with medial lobe with two to five small lobal sclerites, lateral lobes spinulate ( Fig. 22A).

Redescription

Males.

Coloration ( Fig. 33): Dorsum mostly stramineous with orange and dark brown to fuscous markings, sometimes with red highlighting. Head: mostly stramineous with contrasting markings; frons +vertex with a X-shaped reddish-brown marking, reaching the medial angle of eyes; clypeus dark brown highlighting; mandibular plates stramineous; maxillary plate dark brown; vertex orange; postocular margins of head orange broadly dark brown; gula and bucculae yellow. Antennae: AI mostly stramineous, with subbasal and subapical dark reddish brown annulations; AII mostly stramineous, with distal 1/3rd dark brown, narrowly and faintly brown at base; AIII and AIV concolorous, uniformly dark brown. Pronotum: collar whitish, translucent; callosite region mostly stramineous with variable embrownment; disk stramineous, translucent, sometimes humeral angles embrowned. Thoracic pleura and sterna: propleuron stramineous with dark brown transverse band, ventral margin whitish; mesobasisternum dark brown; mesepimeron whitish; metepisternum including brown evaporative areas mostly stramineous, sometimes with patches of medium to dark brown. Mesoscutum: mostly orange, with embrownment laterally. Scutellum : lateral angles broadly pale stramineous to whitish with narrow brown stripe along midline. Hemelytra : mostly stramineous with medium-brown to reddish brown markings/highlighting, including red to reddish brown spotting on exocorium associated with setal bases; with three pairs of medium-brown to reddish brown markings, each pair at corial fracture, apex of endocorium and tip of cuneus; membrane veins embrowned to sometimes red. Abdomen: venter mostly stramineous, often with faint medium brown banding laterally on pregenital sternites, sometimes with dark brown patches on pygophore.

Structure: Only macropters examined. Head: interocular distance 1.27–1.47× greater than eye width. Antennae: AI 1.22–1.70× longer than interocular distance; AII 1.01–1.21× longer than posterior width of pronotum. Pronotum: disk 1.27– 1.40× longer than callosite region. Male genitalia: left paramere apophysis moderately robust and elongate, with shaft weakly sinuate, with spatulate weakly denticulate on outer margin ( Fig. 11C); aedeagus with three endosomal lobes, medial lobe with two to five small endosomal lobal sclerites, lateral lobes densely spinulate ( Fig. 22A).

Females. Only macropters examined. Body length 4.17–4.53 mm. Coloration, vestiture, texture and structure mostly as in males. Head: interocular distance 1.28–1.42× than eye width. Antennae: AI 1.29– 1.48× longer than interocular distance; AII 0.88–0.97× shorter than pronotum width. Disk 1.41–1.52× longer than callosite region. Abdomen: venter mostly stramineous, with faint brown markings laterally on pregenital sternites.