Sentence Examples


  • Rostrum free, not supported by either the prosternum or the basal segments of the appendages.
  • They fly about from July till October, living upon the sap of the vine, which is sucked up by the rostrum from the leaves or buds.
  • The capitulum, with its associated structures, is sometimes called the rostrum, whereas sometimes the term rostrum is restricted to the hypostome alone.
  • Within the groove of the rostrum two pairs of slender piercers - often barbed at the tip - work to and fro.
  • The point of the rostrum is pressed against the surface to be pierced; then the stylets come into play and the fluid food is believed to pass into the mouth by capillary attraction.