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 (är′kyo͞o-ĭt, -āt′) also ar·cu·at·ed (-ā′tĭd)
Having the form of a bow; curved.

[Latin arcuātus, past participle of arcuāre, to bend like a bow, from arcus, bow.]

ar′cu·ate·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Metafemora 1.20 mm long, round in cross-section, increasingly thicker to apical 3/4, with three acute teeth, inner one longest at distal 3/4, outer one shorter on basal 1/2 before middle, third still shorter outer tooth slightly distal to longest tooth; metatibiae 0.70 mm long, weakly arcuately curved and somewhat flattened, slightly twisted outward at apex; metatarsal segment 1 longer than outer segments and claws.
Anteclypeus much longer than pointed mandibular plates, the latter reaching half the length of anteclypeus and flanked by extremely narrow, only subapically arcuately extended maxillary plates reaching the dorsal side of bucculae.