Comparative Analysis and Systematic Mapping of the Labial Sensilla in the Nepomorpha (Heteroptera: Insecta)

Figure 1

Types and sizes of the mechanosensilla of the Nepomorpha. (a) CH1 chaetic sensillum, long. (b) CH2 chaetic sensillum, medium length. (c) CH3 chaetic sensillum, short. (d) COS conical sensillum (prioprereceptive). (e) SQS squamiform sensillum, TBS trichobothrium sensillum, and BAS basiconic sensillum. (f) CBS clubbed-like sensillum. (g) PDS1 paddle-like sensillum, long, PDS2 paddle-like sensillum, short.