FIGURE 13 in Morphology, molecular phylogenetics, and DNA barcoding revealed a new unusual species of the aphid genus Pleotrichophorus from the USA (Insecta, Hemiptera Aphididae)

FIGURE 13. SEM of Pleotrichophorus blackmani sp. n. alate viviparous female. head and antennal sensilla: (a) frontal ocellus and trichoid sensilla; (b, c) structure of trichoid sensilla of different lengths; (d) small multiporous placoid sensilla (red) and type I trichoid sensilla (blue) on ANT III; (e) structure of type I trichoid sensillum; (f) structure of the small multiporous placoid sensilla; (g-i) ultrastructure of small multiporous placoid sensillum and the secretion; (j) large multiporous placoid sensillum (yellow) on ANT V; (k) ultrastructure of the large multiporous placoid sensillum; (l) large multiporous placoid sensillum (yellow), small multiporous placoid sensilla (green) and sunken coeloconic sensilla (pink) on ANT VI BASE; (m) ultrastructure of the small multiporous placoid sensillum; (n, o) ultrastructure of sunken coeloconic sensilla.