Adunatiphylus, Randall T. Schuh & Michael D. Schwartz, 2016

Randall T. Schuh & Michael D. Schwartz, 2016, Nineteen new genera and 82 new species of Cremnorrhinina from Australia, including analyses of host relationships and distributions (Insecta: Hemiptera: Miridae: Phylininae: Cremnorrhinini), Bulletin of the American Museum of Natural History 401, pp. 1-279 : 31-32

Adunatiphylus , new genus

TYPE SPECIES: Adunatiphylus kalbarri , new species.

DIAGNOSIS: Recognized by the moderately elongate body form, short face, and greenish coloration with numerous, more or less uniformly distributed, small, brown spots at setal bases on dorsum (pl. 1). Endosoma elongate moderately slender, J-shaped, endosomal straps fused proximad of secondary gonopore and forming a relatively long, slender apical spine (fig. 2, pl. 1); phallotheca smoothly arched on dorsal margin, with a ridge on posterodistal surface; left paramere roughly quadrate in shape, right paramere large, lanceolate (fig. 1). Female elongate ovoid, frons more strongly bulging than in male. Structure of endosoma and right parameres distinctive, but possibly confused with species of Asterophylus , Halophylus , Lepidophylus , and Maculiphylus on the basis of the uniformly spotted dorsum alone. Of these four genera only the last two also feed on Eremophila as does Adunatiphylus ; the absence of scalelike setae and shorter head width (both sexes less than 0.70) will distinguish Adunatiphylus from Lepidophylus and Maculiphylus .

DESCRIPTION: MALE: Small, elongate total length 2.79–3.23, pronotum width 0.75–0.85. COLORATION (pl. 1): Body and most of appendages pale green to yellowish, hemelytron and distal half of femora uniformly covered with weakly contrasting small gray-brown spots; antennal segments 3 and 4 heavily infuscate; membrane pale, with two infuscate spots at apex of cells. SURFACE AND VESTITURE (pl. 1): Surface smooth, dull; vestiture of reclining, pale, simple setae. STRUCTURE: Head: Transverse, frons broad, only weakly projecting beyond eye in dorsal view; eyes weakly bulging, somewhat removed from anterior margin of pronotum; eyes occupying two-thirds height of head; antennal segment 2 (0.88) moderately long, 1.4 times width of head; antenna inserted just above ventral margin of eye, eye emarginate; labium reaching to apex of mesocoxa. Thorax: Pronotum short, broad, trapezoidal, nearly straight sided, calli very weakly expressed; mesoscutum narrowly exposed. Hemelytron: Elongate, corium laterally very weakly concave, cuneus elongate triangular. GENITALIA (fig. 2, pl. 1): Pygophore: Left dorsal surface with a few bristles. Endosoma: J-shaped, secondary gonopore subapical, prominent; ventral strap hyaline medially, sclerotized marginally, terminating basad of secondary gonopore; dorsal strap narrowly attenuate, extending distad of secondary gonopore. Phallotheca: Elongate, somewhat broadened apically, strongly sclerotized; posterior surface of apical portion with long gradual crest; aperture elliptical, situated on left anterior surface. Parameres: Left paramere boxy, elongate rectangular in dorsal view; posterior process relatively short, apex deflected; anterior process short, apex reflected. Right paramere elongate lanceolate, apex coming to a point.

FEMALE (pl. 1): Coloration similar to male; body much shorter than in male, ovoid; total length 2.37–2.67, pronotum width 0.76–0.80. Vertex broad, frons swollen and distinctly projecting anterior to eyes in dorsal view. Corium moderately convex laterally, cuneus broadly triangular. GENITALIA (pl. 40): Subgenital plate of sternite 6: Concave medially. Vestibular sclerites: Moderately large, projecting beyond anterior edge of dorsal labiate plate. First gonapophyses: Moderately large, basal quadrate blocks. Ventral labiate plate: Platelike medial anteroventral extension narrow, covering anterior surface of basal structures. Dorsal labiate plate: Relatively short longitudinally. Sclerotized rings: Moderately large, triangular, thick walled, relatively flat, anterior angle attenuate. Posteromedial region: Surface without apparent microstructure. Anterolateral region: Not projecting greatly anteriad of sclerotized rings. Posterior wall: Intersegmental structure: Differentiated from connecting membrane as narrow transverse fold. Interramal sclerites: Weakly sclerotized, lateral sclerites wedge shaped, medial sclerite obscure.

ETYMOLOGY: From the Latin adunatus, “united,” in reference to the medial fusion of the two endosomal straps, and the generic name Phylus ; masculine.

DISCUSSION: We treat this taxon as monotypic because of the unique structure of the male genitalia, including among other features the left endosomal strap with fused lateral margins basad of the secondary gonopore and the boxy structure of the left paramere with the strongly deflexed apex of the posterior process. Here we acknowledge the uncanny resemblance in all male genitalic structures of the type species, Adunatiphylus kalbarri to Wallabicoris pultenaei Schuh and Pedraza (Schuh and Pedraza, 2010: fig. 32 ). The latter Australian species is assigned to the subtribe Exocarpocorina, based on the results of Menard et al. (2014), including possession of unique folded regions of the posterior wall of the female genitalia as well as DNA sequence data. The pulvilli in all members of Wallabicoris are small and completely adhered to the ventral surface of the claw; the dorsal coloration of W. pultenaei is a combination of pale green and bright red in contrast to minutely spotted dorsum in A. kalbarri . The long pulvilli attached only to the base of the claw and simple posterior wall allow unambiguous placement of A. kalbarri in the Cremnorrhinina. We view the remarkable similarity in male genitalia structures of these two unrelated species as an example of parallel development.