| There are three lineages of primitively wingless hexapods that lack a dorsal appendage branch, and one, the Archaeognatha, with such a branch. |
| Next came the four trilled vowels, and unlike the wingless race he resembled, the ava mastered them with little effort. |
| Thrips, as thysanopterans are commonly called, are slender and may be winged or wingless. |
| In hair follicle cells, for example, the wingless gene changes stem cells to skin cells. |
| Lice are wingless and they cannot jump, unlike fleas, but instead they spread through physical contact. |
| Like a wingless albatross I plummeted two storeys into an overgrown plumbago. |
