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Heteroptera: Miridae) View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by American Museum of Natural History Scientific Publications PUBLISHED BY THE AMERICAN MUSEUM OF NATURAL HISTORY CENTRAL PARK WEST AT 79TH STREET, NEW YORK, NY 10024 Number 3558, 17 pp., 9 figures March 8, 2007 A New Genus and New Species of Austro-Papuan Orthotylinae (Heteroptera: Miridae) MICHAEL A. WALL1 ABSTRACT Sagittacopula, new genus, is described to accommodate S. rufescens, new species, from Cape York Peninsula, and S. carvalhoi, new species, from eastern New Guinea. Morobea Carvalho and its type species, Morobea longipes Carvalho, are redescribed, and M. spectabilis, new species, from eastern New Guinea is described. Wumea Carvalho and its type species, Wumea cylpealis Carvalho, are redescribed, and W. cassisi, new species, from eastern New Guinea is described. INTRODUCTION anterior margin of the pronotum, a broadly emarginate posterior margin of the pronotum, Many species of Orthotylinae of New and relatively long metathoracic legs. In the Guinea and the surrounding region share present paper, I redescribe two genera and a shining glassy body, an anteroventrally species originally described by Carvalho projecting head, with a distinctly carinate (1987) and describe one new genus and four posterior margin, a flat pronotal collar, and new species that fall within this subset of the gracile appendages. This morphology is epit- Candidomiris-group. omized by Morobea Carvalho (1987), All measurements are in millimeters. Candidomiris Kerzhner and Schuh (1995), Abbreviations for measurements are as fol- Wumea Carvalho (1987), Dimifacoris lows: L-Tot 5 total length, Cly-Cun 5 length Carvalho (1987), and a suite of undescribed from clypeus to cuneal fracture, L-Hd 5 taxa, which I collectively refer to as the length of head, L-Prn 5 length of pronotum, Candidomiris-group. Within the Candidomiris- L-Sct 5 length of scutellum, L-Cun 5 length group are several species that are diagnosed by of cuneus, W-Hd 5 width of head, W-Prn 5 an elongate parallel-sided body, a projecting width of pronotum, W-Sct 5 width of clypeus, a strongly carinate posterior margin scutellum, IOD 5 interocular distance, L-AI of the head capsule that projects over the 5 length of antennal segment I, L-AII 5 1Department of Entomology, San Diego Natural History Museum, San Diego, CA 92112. ([email protected]). Copyright E American Museum of Natural History 2007 ISSN 0003-0082 2 AMERICAN MUSEUM NOVITATES NO. 3558 length of antennal segment II, L-AIII 5 in front of frons; gena and maxillary plates length of antennal segment III, L-AIV 5 extending anteroventrally; buccal cavity ob- length of antennal segment IV, L-mtf 5 length ovate, short; eyes occupying about one-half of metafemora, and L-mtt 5 length of of total head height in lateral view, postero- metatibiae. lateral margin slightly separated from margin of pronotum; antennae inserted midway Morobea Carvalho between ventral and dorsal margins of eye. Antennae elongate, gracile; segment I sub- Morobea Carvalho, 1987: 181. equal to length of pronotum, vasiform; segment II cylindrical, elongate with species TYPE SPECIES: Morobea longipes Carvalho, specific arrangement of short setae at base 1987 (original designation). (fig. 3), three times longer than segment I; DIAGNOSIS: Recognized among other segment III and IV gracile, often coiled in dry Orthotylini by the following combination of specimens. Labium reaching just beyond characters: elongate parallel-sided body posterior margin of metacoxae. Pronotum (fig. 1a, b, d); projecting clypeus (fig. 2c); elongate trapeziform, slightly longer than strongly carinate posterior margin of head broad, coarsely punctate posteriorly; pronotal projecting over anterior margin of pronotum collar thin, slightly overlapped dorsally by (fig. 2a, c); disc of pronotum coarsely rugulose weakly carinate margin of disc; lateral mar- (fig. 2a); posterior margin of pronotum broad- gins slightly emarginate; posterior margin ly emarginate; metathoracic legs relatively distinctly sinuate with medial emargination; long. Males with second antennal segment disc weakly convex, vaguely separated into with species specific arrangement of short anterior and posterior lobes by shallow setae at base (fig. 3); genital capsule enormous sulcus; calli weakly raised, undifferentiated. (fig. 4a, 5a), subequal to one-half abdominal Mesoscutum weakly exposed. Scutellum tri- length; opening of genital capsule dispropor- angular, slightly convex. Hemelytra elongate, tionately large, clearly exposing complex parallel-sided to posterior margin of cuneus; aedeagus; aedeagus with remarkably convo- cuneus two to three times longer than broad. luted and heavily sclerotized phallotheca (figs. 4d, 5e); ductus seminis with thickened Metathoracic spiracle large with evaporative heavily sclerotized ring proximal to secondary areas (fig. 2e); ostiole lenticular, placed ante- gonopore. riorly on metepisternum; peritreme swollen anteriorly and posteriorly (fig. 2f); evapora- REDESCRIPTION: Male: General Aspect: Macropterous, elongate, parallel-sided, total tive area extending to posterior margin of length 5.88–6.57; length from apex to clypeus metepisternum, deflexed posteriorly. Legs to cuneal fracture 4.42–4.75; width across extremely elongate; claws moderately curved humeral angles of pronotum 0.83–0.96. with apically convergent parempodia Coloration and Vestiture (figs. 1a, d): Body (fig. 2d). Genitalia (figs. 4–5): Genital capsule yellowish brown with red and green macula- large; genital opening disproportionately tions; antennae and legs yellowish brown with large; ventral margin of aperture with dorsal red maculation on apices of metafemora; and ventral projections. Left paramere elon- membrane of forewing moderately suffused gate, bent near base with a sinuous apical with brown; veins red to undifferentiated. process. Right paramere relatively short, Dorsum with sparse fine, short, hyaline setae; robust, bent at midlength. Phallotheca com- mesepisternum and metepisternum with field plex, highly dissected, projecting well outside of dense microchaetae; legs and antennae of genital capsule. Aedeagus relatively simple; with fine, distally orientated short, red, setae. ductus seminis with heavily sclerotized ring Structure: Head (fig. 2a–c) moderately pro- basal to secondary gonopore; secondary jecting in front of eyes; posterior margin gonopore weakly defined. convex; posterior margin strongly carinate, FEMALE: Ovipositor approximately one- projecting over anterior margin of pronotum; half length of abdomen; subgenital plate frons flat posteriorly becoming steeply decli- narrowly triangular with acute distal margin, vent anteriorly; clypeus distinctly projecting roughly one-third length of ovipositor. 2007 WALL: AUSTRO-PAPUAN ORTHOTYLINAE 3 Fig. 1. Dorsal habitus photographs. a. Morobea longipes (male). b. M. longipes (female). c. close-up of cuneus of M. longipes (female). d. M. spectabilis. e. Wumea cassisi. f. W. cylpealis. g. Sagittacopula carvalhoi. h. S. rufescens. Morobea longipes Carvalho dorsal margin of propleuron, most promi- figures 1a–c, 2, 3a, 4 nent anteriorly; genital capsule without lateral tubercle; aedeagus with relatively Morobea longipes Carvalho 1987: 181 (n.sp.). small, serrated, hatchetlike lobal sclerite DIAGNOSIS: Differentiated from similar (fig. 4d–e). Females with long medially taxa by characters listed in generic diagnosis oriented setae on posterior margin of corium and discontinuous red maculations along (fig. 1c). 4 AMERICAN MUSEUM NOVITATES NO. 3558 Fig. 2. Scanning electron micrographs of Morobea longipes. a. Head and pronotum, dorsal view. b. Head and pronotum, ventral view. c. Head and pronotum, lateral view. d. Pretarsus, ventral view. e. Meso- and metathorax, lateral view. f. Evaporative area (scale bars 5 50 mm). REDESCRIPTION: Coloration (fig. 1a): Head entiated ventrally. Scutellum yellowish brown, yellowish brown with vague red maculations sometimes suffused with blue-green. on clypeus and mandibular plates. Antennae Hemelytra predominately yellowish brown; yellowish brown becoming darker distally. margin of clavus weakly suffused with red Prothorax yellowish brown, tinged with green along scutellar margin; cuneus ringed with in some specimens; disc and collar undiffer- red. Abdomen yellow with dorsal surface of entiated; dorsal margin of propleuron with red male genital capsule dark brown. Legs pre- maculation at anterolateral margin, undiffer- dominately yellow, becoming brown distally, 2007 WALL: AUSTRO-PAPUAN ORTHOTYLINAE 5 Fig. 3. Scanning electron micrographs of the base of second antennal segment in Morobea. a. M. longipes. b. M. spectabilis (scale bars 5 30 mm). ventral surface suffused with blue-green; minute, almost obsolete; medial portion of metafemur with pale brown spots on anterior membrane with large field of short velutinous surface and red distally. Structure:Asin hairs. Genitalia: Ovipositor as in generic generic description with the following addi- description. Internal genitalia unknown due tions. Head with weak sulcus along length of to damaged material. vertex and frons; antennal segment II weakly MEASUREMENTS: Males (N 5 2): L-Tot swollen as base, swollen portion with dense 5.88–6.11, Cly-Cun 4.42–4.44, L-Hd 0.59– field of short hairs oriented perpendicular to 0.62, L-Prn 0.83–0.93, L-Sct 0.59–0.62, L- antennal surface (fig. 3a). Cuneus 2.5 times Cun 0.92–1.03, W-Hd 0.57–0.79, W-Prn 1.18– longer than broad, subtriangular. Small cell of 1.21, W-Sct 0.57–0.61, IOD 0.35–0.37, L-AI hemelytral membrane less than one-third 0.86–1.01, L-AII 2.88–3.19, L-AIII 1.67–1.67, length of cuneus. Genitalia (fig. 4): Genital L-AIV 2.11, L-mtf 3.55, L-mtt 5.87. Females capsule broadly subconical with large aper- (N 5 2): L-Tot 6.06, Cly-Cun 4.73, L-Hd 0.62, ture; dorsal projection of ventral rim roughly L-Prn 0.83–0.90, L-Sct 0.55–0.65, L-Cun 1.05– symmetrical, slightly skewed to left, broadly 1.13, W-Hd 0.79, W-Prn 1.17–1.29, W-Sct rounded; ventral projection of ventral rim 0.61–0.64, IOD 0.41, L-AI 1.02, L-AII 3.18, L- asymmetrical skewed left, acute. Parameres as AIII 1.72, L-AIV 1.65, L-mtf 3.30, L-mtt 5.61.
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