Volkeliopsis, POPPIUS, 1915

Namyatova, Anna A. & Cassis, Gerasimos, 2016, Systematic revision and phylogeny of the plant bug tribe Monaloniini (Insecta: Heteroptera: Miridae: Bryocorinae) of the world, Zoological Journal of the Linnean Society 176 (1), pp. 36-136 : 127-128

VOLKELIOPSIS POPPIUS

Figures 8 , 11B , 17Y –AC, 21S, T, 23

Volkeliopsis Poppius, 1915: 81 (gen. nov.; type species: Volkeliopsis frontalis Reuter, 1915 by monotypy); Carvalho, 1952: 60 (cat.); Carvalho, 1955: 41 (key); Carvalho, 1957: 149 (cat.); Miller & China, 1957: 430 (key to gen.); Schuh, 1995: 533 (cat.); Schuh, 2002 – 2013 (cat.)’ Sadowska-Woda & Chérot, 2008: 51 (disc.).

Carvalhoia Miller & China, 1957: 429 (gen. nov.; type species Carvalhoia arecae Miller & China, 1957 by monotypy, junior homonym of Carvalhoia Kormilev, 1951 ); Miller & China, 1957: 430 (key to gen.); Schuh, 1995: 526 (cat.); Kerzhner & Schuh, 1998: 171 (nom. nov.).

Mircarvalhoia Kerzhner & Schuh, 1998: 171 (nom. nov. for Carvalhoia Miller & China, 1957 ).

Diagnosis: Volkeliopsis belongs to the Odoniella - complex and can recognized by the following characters: scutellum moderately swollen, not vesiculate ( Fig. 11B ); pronotum and scutellum distinctly punctate, humeral angles of pronotum not dilate; hemelytron clothed with simple setae only.

Redescription: Male: Body length 4.5–7. COLORATION ( Fig. 8 ). Mostly orange to pale brown with ASIII–IV, cuneus, hemelytral membrane and markings on abdomen posteriorly brown to dark brown, scutellum and inner part of clavus or hemelytron sometimes also brown; sometimes also brown marking on head and reddish tinge on head and pronotum present. TEXTURE. Body without tubercles; flattened areas on vertex absent; pronotum and scutellum densely punctate, without wrinkles ( Fig. 11B ); pair of punctures behind calli, pair of punctures between mesoscutum and scutellum, punctures on clavus and on R + M absent; striations on lateral margins of scutellum present; semicircular depression between scutellum and mesoscutum absent. VESTITURE. Body clothed with pale or dark simple setae; dorsum and appendages with dense and suberect setae, thoracic pleura with rare and adpressed setae; shorter than ASII width; setae mostly shorter than ASII width, those on dorsum and legs sometimes longer than ASII width, setae on tibiae not very dense; femora and tibiae with black spinules irregularly distributed (as in fig. 18F in Namyatova et al., in press). STRUCTURE. Head. Distance between eye and pronotum slightly shorter than eye diameter; occipital region not delimited with depression; longitudinal depression on vertex absent or very short; eyes stylate, directed outwards and slightly forwards, c. 0.17–0.2× as wide as head; distance between antennal fossa twice as long as antennal fossa diameter; frons distinctly swollen, without ridges and longitudinal depression, with or without two tubercles, each with long seta apically; anterior view of head almost twice as wide as high; eye almost as high as distance from eye to apex of clypeus; antennal fossa oval, diameter subequal to 2/3 rd of eye height, not raised (as in fig. 3B in Namyatova et al., in press), inferior margin of fossa placed near inferior margin of eye; base of clypeus placed at the halfway of antennal fossa height; distinctly delimited with depression; head flat in lateral view; gula as long as or shorter than buccula, straight. Labium. Length varying from slightly surpassing anterior margin of mesosternum to reaching posterior margin of mesosternum; LSI c. 2.5–3× as long as wide; LSII c. 3–4× as long as wide, as long as LSI; LSIII c. 3–4× as long as wide, slightly shorter or longer than LSII, LSIV c. 3× as long as wide, slightly shorter or longer than LSIII. Antenna. Reaching base of cuneus; ASI ca.1.5× as long as wide (as in fig. 8E in Namyatova et al., in press), subequal to quarter of head width, widened basally; ASII c. 4.5–5× as long as ASI, as long as head and pronotum combined, distinctly incrassate towards apex, with shallow swellings basally and medially, ASIII clavate, with shallow swellings. Thorax. Collar distinctly delimited laterally and medially, not fused with callosite region posteriorly, flat; calli separated, flat; depression delimiting calli posteriorly absent (as in Fig. 10G ); humeral angles of pronotum not dilated; posterior margin of pronotum straight or distinctly concave, forming right angles (as in Fig. 10G ); scutellum moderately swollen, flattened dorsally, triangular, acute or slightly obtuse apically, without outgrowth, medial longitudinal depression or ridge ( Fig. 11B ); metepimeron enlarged, twice as long as wide, angulate, subtriangular (as in Fig. 13E ); metasternum with medial projection to abdominal segment II (as in fig. 17A in Namyatova et al., in press). Hemelytron. Costal margin of hemelytron straight or slightly rounded; claval commissure c. 0.6–0.9× as long as scutellum, straight (as in fig. 12E in Namyatova et al., in press); R + M distinct anteriorly and medially, but not reaching posterior margin of corium; medial fracture strongly inclined towards midline (as in fig. 12E in Namyatova et al., in press); corium without swelling posteriorly; cuneus c. 1.8× as long as wide, c. 0.5–0.7× as long as pronotum, medial margin slightly concave (as in fig. 13B in Namyatova et al., in press); membrane cell distinctly surpassing apex of cuneus, forming right angle (as in fig. 13B in Namyatova et al., in press), c. 0.8–0.9× as long as pronotum; auxiliary vein absent; distance from cell to apex of membrane c. 0.8–0.9× as long as cell. Legs. Forecoxae contiguous (as in fig. 17A in Namyatova et al., in press); femora only indistinctly swollen apically, straight; tibiae without swellings; foretibia shorter than head and pronotum combined; segment I of hind tarsus distinctly longer than segment II and almost as long than segment III; claw broadly rounded; basal tooth on claw short and triangular (as in fig. 10B in Namyatova & Cassis, 2013b). Genitalia ( Fig. 17Y – AC). Genital capsule longer than width, without outgrowth(s), ventral wall not shortened anteriorly; left paramere almost straight, not r-shaped, c. 2.5× as long as right paramere; phallobase sclerite of primary gonopore pear-shaped, tapering apically, without outgrowth(s); ductus seminis not sclerotized basally or apically, as long as phallotheca, with coils forming wide tube, attached to phallobase medially; sclerotized part of phallotheca wide, occupying entire dorsal part, rounded apically, without ridge or outgrowth; endosoma with two suboval serrate spicules or six not serrate spicules.

Female: Body length 6–7.5. COLORATION ( Fig. 8 ). Similar to male, specimens with brown to dark brown corium unknown. TEXTURE. As in male. VESTITURE. Similar to male, but setae dark or pale, length and density of setae sometimes as in male or shorter, only few setae on appendages as long as width of hind tibia, adpressed on posterior part of pronotum, scutellum, thoracic pleura, and abdomen and suberect on head, anterior part of pronotum and legs; setae on antennae adpressed and suberect. STRUCTURE. Similar to male, but segment I of hind tarsus slightly longer than segment II and segment II as long as segment III; ASIII c. 0.7–0.8× as long as ASII; ASIV c. 0.7–0.8× as long as ASIII, clavate; claw broadly rounded and basal tooth on claw short and triangular. Genitalia ( Fig. 21T, S ). DLP with single, long, very indistinct sclerotized ring; with distinct paired areas of striations at sides; lateral oviducts attached at middle of those striated areas, widely separated, placed near lateral margin and at half way of DLP; spermathecal gland placed slightly above or below midpoint; posterior wall with small tubercles, without outgrowth and sclerotization; base of second valvula slightly concave; ventral wall membranous.

Distribution: Philippine Islands and India.

Host plants: Volkeliopsis arecae is known from the palm species Areca catechu (Arecaceae) ( Miller & China, 1957).

Figures

Figure 8. Habitus photographs. Boxia khayae ♂ AMNH_PBI 5065, ♀ type 19448; Boxia madagascariensis ♀ AMNH_PBI 19532; Bryocoropsis laticollis var. infuscata ♂ AMNH_PBI 18947, ♀ AMNH_PBI 18946; Bryocoropsis soror ♂ AMNH_PBI 5115, ♀ AMNH_PBI 5117; Sahlbergella singularis ♂ AMNH_PBI 19118, ♀ AMNH_PBI 19057; Distantiella theobromae ♂ AMNH_PBI 5016, ♀ AMNH_PBI 5019; Odoniella rubra ♂ AMNH_PBI 18951, ♀ AMNH_PBI 18958; Odoniella similis ♂ AMNH_PBI 5036; Volkeliopsis arecae ♂ HT AMNH_PBI 19516; Volkeliopsis mindanao ♀ AMNH_PBI 5237; Platyngomiris coreoides ♀ HT of P. coreoides AMNH_PBI 19643; ♂ HT of Platyngomiriodes apiformis AMNH_PBI 19471, ♀ PT of P. apiformis no USI label (BMNH); Platyngomiris quadrimaculatus ♀ AMNH_PBI 20253; Platyngomiris typicus ♂ AMNH_PBI ♀; Yangambia macarangae ♂ AMNH_PBI 34057, ♀ AMNH_PBI 20192; Yangambia vesiculata ♂ AMNH_PBI 19079, ♀ AMNH_PBI 19086; Volkelius carvalhoi ♂ AMNH_PBI 19309, ♀ AMNH_PBI 20197; Volkelius sulcatus ♀ PLT AMNH_PBI 5047; Volkelius maculatus ♂ AMNH_PBI 19043, ♀ AMNH_PBI 19386.

Figure 10. Scanning electron micrographs. Head and pronotum, dorsal view. A, Mansoniella nitida ♀ AMNH_PBI 46067; B, Poppiusia leroyi ♀ AMNH_PBI 5838; C, Chamus bellus ♀ AMNH_PBI 5223; D, Lycidocoris mimeticus ♀ AMNH_PBI 5043; E, Physophoropterella bondroiti ♂ AMNH_PBI 19110; G, Odoniellia reuteri ♂ AMNH_PBI 19090; H, Volkelius carvalhoi ♀ PT AMNH_PBI 19630; I, Yangambia vesiculata ♀ AMNH_PBI 19084; J, Ragwelellus suspectus ♂ AMNH_PBI 19629. Head, dorsal view. F, Sahlbergella tai ♀ AMNH_PBI 5106. Head, anterior view. K, Parachamus bellus ♀ AMNH_ PBI 5837. Head, lateral view. L, Poppiusia leroyi ♀ AMNH_PBI 5838. Frons, dorsal view. M, Poppiusia leroyi ♀ AMNH_PBI 5838.

Figure 11. SEM images. Scutellum, dorsal view. A, Chamus tuberculatus ♂ AMNH_PBI 5025; B, Volkeliopsis mindanao ♀ PT AMNH_PBI 45979; C, Boxia khayae ♂ AMNH_PBI 5065; D, Bryocoropsis soror ♂ AMNH_PBI 5115; E, Odoniella reuteri ♂ AMNH_PBI 19090; F, Pseudodoniella typical ♂ AMNH_PBI 45978; G, Sahlbergella tai ♀ AMNH_PBI 5106; H, Pseudodoniella pacifica ♂ AMNH_PBI 46080; I, Yangambia vesiculata ♀ AMNH_PBI 19084; J, Sahlbergella singularus ♂ AMNH_PBI 19053; K, Physophoropterella bondroiti ♂ AMNH_PBI 19110. Small tubercules on pronotum. L, Chamus tuberculatus ♂ AMNH_PBI 5025.

Figure 13. Scanning electron micrographs. Metepimeron. A, Helopletis pellucida sex unknown AMNH_PBI 19628; B, Afropeltis hyalospilosus ♂ AMNH_PBI 5137; C, Poppiusia leroyi ♀ AMNH_PBI 5838; D, Pachypeltis reuteri ♂ AMNH_PBI 45980; E, Odoniella reuteri ♂ AMNH_PBI 19194. Setae on hemelytron. F, Boxia khayae ♂ AMNH_PBI 5065. Fore- and middle femora. G, Physophoropterella bondroiti ♂ AMNH_PBI 19110. Hind femur. H, Helopeltis pellucida sex unknown AMNH_PBI 19628. Hind tarsus. I, Physophoropterella bondroiti ♂ AMNH_PBI 19110. Claw, lateral view. J, Chamus sp. sex unknown, not databased; K, Pachypeltis brevirostris sp. nov. sex unknown, not databased; L, Helopeltis bradyi sex unknown, not databased.

Figure 17. Male genitalia, dorsal view. Physophoroptera mirabilis AMNH_PBI 5070. A, aedeagus; B, right paramere; C, left paramere; D, genital capsule. Physophoropterella bondroiti no USI. E, aedeagus; AMNH_PBI 5072. F, right paramere; G, left paramere; H, genital capsule. Poppiusia leroyi AMNH_PBI 19314. I, aedeagus; J, right paramere; K, left paramere; L, genital capsule. Pseudodoniella typica no USI. M, aedeagus; N, right paramere; O, left paramere; P, genital capsule. Ragwelellus suspectus no USI. Y, aedeagus; Z, right paramere; AA, left paramere; AB, genital capsule. Ragwelellus vittatus no USI. U, aedeagus; V, right paramere; W, left paramere; X, genital capsule. Volkeliopsis arecae AMNH_PBI 19427. I, phallobase; J, endosoma and theca; K, right paramere; L, left paramere; M, genital capsule. Villiersicoris sessensis AMNH_PBI 19458. Q, aedeagus; R, right paramere; S, left paramere; T, genital capsule. The smaller scale is for genital capsule, the larger scale is for aedeagi and parameres. Yangambia macarangae AMNH_PBI 5006. AG, aedeagus. no USI. AH, right paramere; AI, left paramere; AJ, genital capsule. The smaller scale is for genital capsule, the larger scale is for aedeagi and parameres.

Figure 21. Female genitalia, bursa copulatrix. Pseudodoniella pacifica AMNH_PBI 45974. A, dorsal labiate plate. AMNH_PBI 20192. B, posterior wall. Yangambia vesiculata AMNH_PBI 19084. C, dorsal labiate plate; D, posterior wall. Platyngomiris coreoides AMNH_PBI 19643. E, dorsal labiate plate; F, posterior wall. Ragwelellus indonesicus AMNH_PBI 46074. G, dorsal labiate plate; H, posterior wall. Poppiusia leroyi AMNH_PBI 5049. I, dorsal labiate plate; J, posterior wall. Ragwelellus suspectus no USI. K, dorsal labiate plate; L, posterior wall. Ragwelellus magnificus AMNH_PBI 19384. M, posterior wall. Ragwelellus vittatus no USI. N, dorsal labiate plate; O, posterior wall. Sahlbergella singularis AMNH_PBI 20212. P, dorsal labiate plate; Q, posterior wall. Sahlbergella tai PT AMNH_PBI 5106. R, dorsal labiate plate. Volkeliopsis mindanao AMNH_PBI 5237. S, dorsal labiate; T, posterior wall.