Scotoleon

Banks, 1913

antlions

Scotoleon is a of ( , ) containing more than 20 described . Scotoleon are delicate, slender with lacy that superficially resemble but possess short, thick, clubbed . Males frequently exhibit a much longer tipped with bracket-like . The genus was established by Banks in 1913.

Scotoleon by (c) Bob Miller, some rights reserved (CC BY), uploaded by Bob Miller. Used under a CC-BY license.Scotoleon dissimilis by (c) Jeremiah Degenhardt, some rights reserved (CC BY), uploaded by Jeremiah Degenhardt. Used under a CC-BY license.Scotoleon longipalpis by (c) Bob Miller, some rights reserved (CC BY), uploaded by Bob Miller. Used under a CC-BY license.

Pronunciation

How to pronounce Scotoleon: //ˌskoʊtiˈoʊliən//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

distinguished from by short, thick, clubbed (damselflies have thread-like antennae). Males of Scotoleon have notably longer with bracket-like compared to other . Distinguished from other antlion genera by male genitalic characters and patterns. Adults are cryptic and align themselves flat against grass stems or twigs to become nearly invisible.

Images

Distribution

North America; recorded in Colorado, Arizona, and other western and southwestern United States. The occurs north of Mexico among 18 genera recorded in this region.

Life Cycle

with larval, pupal, and stages. pupate inside a silken capsule spun underground, incorporating grains of sand into the .

Behavior

clumsily and are most often seen among tall grasses, especially at dusk. Adults exhibit strong : upon alighting on grass stems or twigs, they instantly align themselves to flatten seamlessly against the substrate, rendering them essentially invisible. Adults frequently attracted to lights at night.

Similar Taxa

  • MyrmeleonBoth are with lacy-winged , but Myrmeleon construct trademark funnel pits in fine soil while Scotoleon larvae are sit-and-wait that bury themselves just below the surface without digging pits; Myrmeleon males lack the elongated with bracket-like characteristic of Scotoleon males
  • Damselflies (Zygoptera) superficially resemble in slender body and lacy , but distinguished by short, thick, clubbed versus thread-like antennae in damselflies; also distinguished by and resting posture

More Details

Male morphology

The elongated male with bracket-like is especially pronounced in Scotoleon compared to other .

Larval ecology

Unlike Myrmeleon which construct pit traps, Scotoleon larvae are sit-and-wait that bury themselves just below the soil surface without constructing funnel pits.

Tags

Sources and further reading