New records of Asian and Australopapuan Cassidinae, with a ...

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546 LECH BOROWIEC yellow. Explanate margin yellow. Clypeus uniformly black or black in basal half and yellow apically. Thorax black, including lateral plates. Abdomen mostly black with narrowly yellow sides and apex, the yellow margin from as wide as to narrower than width of hind femur. Legs yellow, except black coxae. Antennae uniformly yellow, or apex of the last segment slightly infuscate. 1-5. Cassida dembickyi: 1 – dorsal, 2 – lateral, 3 – head and prosternum, 4 – antenna, 5 – claw
NEW RECORDS OF ASIATIC AND AUSTRALOPAPUAN CASSIDINAE 547 Pronotum ellyptical, 1.79-1.89 times wider than long, with maximum width in the middle, sides narrowly rounded. Disc moderately convex, distinctly bordered from explanate margin, whole surface of disc with fine punctuation, distance between punctures mostly wider than puncture diameter. On sides of disc, border between disc and explanate margin shallowly impressed. Space between punctures smooth and glabrous. Explanate margin subhorizontal, its surface smooth and glabrous. Scutellum triangular with transverse sulcus. Base of elytra moderately wider than pronotum, anterior margin gently arcuate, humeri distinctly protruding anterad, angulate (fig. 1). Disc moderately, regularly convex with top of convexity in postscutellar point (Fig. 2). Postscutellar impressions distinct, postscutellar point slightly elevated, forms a well defined H-shaped transverse fold, borders of postscutellar impressions marked by a slightly elevated arcuate folds which are connected with transverse postscutellar fold. Posterior branches of the H-shpaed fold with short transverse folds, but they are not as well defined as in the related C. probata. Principal impressions absent. Punctuation of elytra regular, rows impressed, punctures coarse, distance between punctures in rows on whole disc smaller than puncture diameter, often punctures touching each other. Punctures on slope as coarse as in anterior part of disc, punctures in sutural rows the same size as in lateral rows. Marginal row distinct, its punctures only slightly coarser than in submarginal row. Intervals narrow, on whole disc narrower than rows, partly linear, on slope slightly elavated. Surface between punctures slightly irregular, more irregular than in related C. paiensis and C. chiangmaiensis, but less irregular than in C. probata, but does not form distinct transverse folds, disc appears slightly rugose. Explanate margin of elytra subhorizontal, in the widest part wider than half width of each elytron, shallowly and densely punctate, appears slightly irregular. Elytral epipleura bare. 6-9. Aedeagus: 6, 7 – Cassida dembickyi, 8, 9 – C. paiensis (6, 8 – dorsal, 7, 9 – lateral)
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Genus Vol. 12(4): 493-562 Wroc³aw,
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