Morphological Aspects of Antennal Sensilla of the Rhodnius brethesi Matta, 1919 (Hemiptera: Reduviidae) from the Negro River, Amazon Region of Brazil

Figure 2

Scanning electron micrographs of the second antennal segment (S2) of R. brethesi. (a) Br I: bristles I; T: trichobothria. (b) Bristle I details. Br III: bristle III; ie: internal edge; oe: outer edge. (c) Br I: bristles I. Br III: bristle III. (d) Trichobothria sensilla (T) with a cuticular area at the base in the form of short extensions and lamellar structures (arrowhead). Br I: bristles I; Br III: bristle III. (e) Detail of the trichobothria sensilla (T), with a cuticular area at the base in the form of short extensions and lamellar structures (LS).

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