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. 2019 May 19;10(5):143. doi: 10.3390/insects10050143

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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SEM images of stylet of C.nigrescens. (A) Enlarged anterior view of apex of stylet fascicle; (B) enlarged view of stylet fascicle; (C) interior view of mandibular stylets (Md); (D) external view of mandibular stylets (Md); (E) external view of left maxillary stylet (LMx); (F) enlarged view of the box in (D), showing notches (arrow); (G) interior view of left maxillary stylet (LMx); and (H) interior view of right maxillary stylet (RMx); Fc, food canal; Pr, process; Sc, salivary canal; Sr, serrate ridges; and st, squamous texture.