Improved Visualization of Alphitobius diaperinus (Panzer) (Coleoptera: Tenebrionidae)—Part I: Morphological Features for Sex Determination of Multiple Stadia

Figure 1

External posterior characteristics of late-instar A. diaperinus: with prominent pygopods ((a) lateral view and (b) ventral view) and unapparent, or much reduced, pygopods ((c) lateral view and (d) ventral view). Pg, pygopod; Py, pygidium; Ur, urogomphus.

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