Alate

Definition

Having wings or winglike structures; in entomology, specifically denotes the winged reproductive morph of social insects such as ants, termites, and aphids. Alates are typically produced seasonally, disperse from the parent colony to mate, and subsequently shed their wings (dealation) to establish new colonies. The term contrasts with apterous (wingless) forms and is distinct from merely 'winged' in emphasizing the specialized reproductive and dispersal function of these individuals.

Etymology

From Latin alatus, winged, from ala, wing

Example

During the nuptial flight, thousands of ant alates emerge simultaneously from multiple colonies, mate in mid-air, and mated females land, shed their wings, and excavate founding chambers.

Synonyms

• winged
• Macropterous

Related Terms

• Apterous
• dealation
• Gyne
• Macropterous
• Micropterous
• Nuptial flight
• brachypterous

Usage Notes

In entomology, 'alate' carries stronger connotations than generic 'winged'—it implies a specific caste or morph specialized for dispersal and reproduction, particularly in eusocial Hymenoptera and Isoptera. Botanists use the term more broadly for any winged structure (e.g., alate seeds). When referring to wingedness generally in solitary insects, 'macropterous' or simply 'winged' is often preferred. The noun form ('an alate') is common in myrmecology and termite biology; the adjective is standard across disciplines.