A revision of the genus Hemitrochostoma (Hemiptera, Heteroptera, Plataspidae).
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The genus Hemitrochostoma Bergroth, 1913 (Hemiptera, Heteroptera, Plataspidae) is redescribed and reviewed.Two species are recognized: the type species Hemitrochostomaaltilabris Bergroth, 1913 (Malaysia: Sarawak), and Hemitrochostomarutabulum sp. n. (Malaysia: Perak).The following new subjective synonymies are proposed: Hemitrochostoma Bergroth, 1913 = Inflatilabrum Tomokuni, 2012, syn. n.; Hemitrochostomaaltilabris Bergroth, 1913 = Inflatilabrumlambirense Tomokuni, 2012, syn. n.
Affiliation: Institute of Entomology, College of Life Sciences, Nankai University, Weijin Road 94, Tianjin, 300071, China ; Department of Zoology, Hungarian Natural History Museum, H-1088 Budapest, Baross u. 13, Hungary.
ABSTRACT
The genus Hemitrochostoma Bergroth, 1913 (Hemiptera, Heteroptera, Plataspidae) is redescribed and reviewed. Two species are recognized: the type species Hemitrochostomaaltilabris Bergroth, 1913 (Malaysia: Sarawak), and Hemitrochostomarutabulum sp. n. (Malaysia: Perak). The following new subjective synonymies are proposed: Hemitrochostoma Bergroth, 1913 = Inflatilabrum Tomokuni, 2012, syn. n.; Hemitrochostomaaltilabris Bergroth, 1913 = Inflatilabrumlambirense Tomokuni, 2012, syn. n. No MeSH data available. |
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Figure 7: Hemitrochostoma species, external female genitalia. 28–31Hemitrochostomaaltilabris Bergroth, 1913 32Hemitrochostomarutabulum sp. n. 28, 32 terminalia, posteroventral view 29 individualized segments VIII–XI, lateral view 30 same, anterodorsal view 31 spermatheca. Lettering: cod = common oviduct, gy = gynatrium, im7-8 = intersegmental membrane between segments VII and VIII, lt9 = laterotergite IX, rc = rectum, rs = ring sclerite, sth = spermatheca, t8 = tergite VIII, t10-p, t10-d = proximal and distal portions of tergite X, respectively, t11 = tergite XI, vf8 = valvifer VIII. Scales in mm. Mentions: Pregenital abdomen (Figs 9, 26) distinctly broader than long; connexival segments distinctly separated, intersegmental sutures running to lateral margin of abdomen; posterolateral angles of segments IV and V minutely, obtusely, protruding; dorsal laterotergites present in segments III–VI, rather broad; ventral laterotergites greatly fused with the respective sternites (these ventral plates of composite origin are termed ventrites), lateral portions of ventrites III–VII demarcated by a longitudinal furrow, spiracles III–VII situated close to this furrow mesally and about halfway between anterior and posterior margin of each segment; segments III–VII each with 2 pairs of longitudinally arranged trichobothria situated posteriad and somewhat mesad of the respective spiracles in an oval impression; median lengths of ventrites III–VI subequal, that of ventrite VII somewhat longer (female); posterior margin of ventrite VII of female deeply, subtriangularly emarginate (cf. Figs 26, 28, 32); tergite VIII (Fig. 27: t8) short, narrowly desclerotized along midline. |
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Affiliation: Institute of Entomology, College of Life Sciences, Nankai University, Weijin Road 94, Tianjin, 300071, China ; Department of Zoology, Hungarian Natural History Museum, H-1088 Budapest, Baross u. 13, Hungary.
No MeSH data available.