THE ENITHARES (Hemiptera-Heteroptera: Notonectidae) OF THE ...

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380 Pacific Insects Vol. 10, no. 2 China (Kinb.) 1&; Sud. China, Pingshiang, Dr Kreyenberg, Coll. Breddin, det. O. Lundbland, 35\J & 1 Sf. (STOCKHOLM) ; China, Hainan, Chenfu Wu, 1 £ ; China, Kusu, C. W. 2o.o. ; Hong Kong, 2££ ; Da-laen-Saen, Walker Coll, l
1968 Lansbury : Oriental Enithares (<strong>Notonectidae</strong>) 381 or black due to scutellar color showing through. Scutellum yellowish brown, basally darker, sometimes black. Hemelytra hyaline, appearing gray or brown depending on dorsal abdominal coloration. Legs and abdomen ventrally brown. Structural characters : Head in dorsal view rounded, anterior width of vertex slightly produced (fig. 74). Greatest width of head variable, 60% of specimens examined less than 2X, remainder equal to or more than 2X anterior width of vertex ; likewise, head width to head length variable, can be less than 2X, equaling or slightly more than 2X head length. Synthlipsis just less than 1/2 anterior width of vertex. Head length always greater than pronotal length and anterior width of vertex. Pronotal humeral width usually less than 3 X median length, occasionally more than 3X median length. Lateral margins of pronotum diverging, 1/2 median length ; posterior margin almost straight. Dorsal margin of pronotal fovea directed caudad before turning laterad behind eyes (fig. 74). Nodal furrow curved cephalad, less than its own length removed from membranal suture. Mesotrochanter rounded (fig. 70), that of
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