Overview

Comprehensive Description

Description

Redescription. Male (Figs 1–2): length: 14.0–16.5 mm, humeral width: 3.0–3.6 mm. Female (Fig. 3): length: 14.2–17.5 mm, humeral width: 3.2–4.0 mm. Head (except eyes, labrum and mandibles), prothorax, scutellum, ventral surface of body, basal thirds of femora, extreme bases of tibiae and tarsal claws reddish testaceous; antennae, elytra, eyes, labrum, mandibles and most of legs black; pale portions covered with fine silvery pubescence and erect hairs; bases of elytra and undersurfaces of antennae with sparse erect hairs. Head densely and rugulose punctuate; vertex shallowly grooved; antennae shorter than body, about 5/6 (female) to 6/7 (male) of body length, antennomere ratio: male: 13︰3︰16︰15︰14︰13︰13︰12︰11︰10︰10; female: 14︰3︰16︰15︰14︰13︰12︰11︰10︰9︰9. Prothorax much broader than long, swollen above and behind middle of each side; scutellum declivitous, truncate. Elytron slightly emarginate apically, with sutural and outer angles slightly projected. Last visible sternite with a broad and deep groove and apex with a small nick in middle (male, Fig. 4) or with a thin line and apex smoothly emarginated (female, Fig. 5).
Male terminalia (Figs. 6–9): Tegmen length about 3.0 mm; lateral lobes not so stout, each about 0.5 mm long and 0.2 mm wide, mostly covered with moderate long setae, with one short but broad basal lobe furnished with short setae (in ventral view, Figs. 9); median lobe plus median struts slightly curved (Fig. 7b), a little longer than tegmen (7: 6); the median struts slightly longer than half of the whole median lobe in length; dorsal plate slightly shorter than ventral plate; apex of ventral plate pointed (Fig. 9); median foramen slightly elongated; internal sac about twice as long as median lobe plus median struts, with 3 pairs of basal armature, and 2 pair of rods of endophallus; 2 longer rods each about 1.5 mm, about one half of tegmen length, the shorter pair about 0.6 mm. The ratio of short pair to long pair always bigger than 1/3. Tergite VIII (Fig. 6) broader than long, apex truncated, rounded at side, with dense but short setae (hairs). Female genitalia (Fig. 10): Spermathecal capsule having a strongly sclerotized rounded apical lobe (with a very short stalk) and a not so sclerotized basal stalk, spermathecal duct not very longer than spermathecal capsule. Spermathecal gland extended from a strongly sclerotized broad ring, which attach to duct directly. Tignum shorter than abdomen. In our observation, tignum 6.5 mm for an adult with a 7.8 mm abdomen in ventral view.
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© Mei-Ying Lin and Xing-Ke Yang

Source: Cerambycidae from China

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Biology

Host (mixed with host of L. subatricornis). Cydonia sp. (Rosaceae), Juglans regia Linnaeus (Juglandaceae), Malus sp. (Rosaceae), Morus alba Linnaeus (Moraceae), Populus davidiana Dode (Salicaceae), Prunus armeniaca Linnaeus (Rosaceae), Prunus mume Siebold & Zuccarini (Rosaceae), Prunus persica (Linnaeus) Batsch (Rosaceae), Prunus salicina Lindley (Rosaceae), Rubus sp. (Rosaceae), Salix sp. (Salicaceae).
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© Mei-Ying Lin and Xing-Ke Yang

Source: Cerambycidae from China

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Distribution

Distribution (based on specimens). China: Jiangsu, Zhejiang, Jiangxi, Fujian, Guangdong, Guangxi, Sichuan.
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© Mei-Ying Lin and Xing-Ke Yang

Source: Cerambycidae from China

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Physical Description

Diagnostic Description

DiagnosticDescription

Diagnosis. Femera mostly black, body not over 20 mm, these two characters easily separate it from L. major and L. gracilicornis.
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© Mei-Ying Lin and Xing-Ke Yang

Source: Cerambycidae from China

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