Greater Angle-wing (Microcentrum rhombifolium)
Song of a Greater Angle-wing (scroll down for explanation and additional recordings!).
Astunning leaf mimic that has to be seen to be appreciated, the Greater Angle-wing can be identified by its green stridulatory field (the Lesser Angle-wing has a brown field). The intricate pattern of veins on the wings perfectly imitate the appearance of a leaf. This species is difficult to collect because it perches in the tops of trees and tall bushes. Sometimes, however, one can be found low enough to catch. May be very common in rural backyards, where its high-pitched ticks betray its presence.
Song: The male gives two types of sounds. The first, his song, is a rapid series of high-pitched ticks getting more rapid toward the end of the song. This song lasts several seconds and causes receptive females to approach the singing male. A second call type is a single, staccato dzt! (pitched at around 9 kHz) that may be given every few seconds. It is believed that this call is an aggressive signal to near-by males that they have strayed too close to another male and should move away.
Sonogram of a Greater Angle-wing. © Wil Hershberger.
Greater Angle-wing
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FAMILY DESCRIPTION
Saltmarsh Meadow Katydid
Short-winged Meadow Katydid
Slender Meadow Katydid
Woodland Meadow Katydid
Black-sided Meadow Katydid
Long-tailed Meadow Katydid
Straight-lanced Meadow Katydid
Agile Meadow Katydid
Dusky-faced Meadow Katydid
Stripe-faced Meadow Katydid
Nimble Meadow Katydid
Black-legged Meadow Katydid
Common Meadow Katydid
Gladiator Meadow Katydid
Handsome Meadow Katydid
Lesser Pine Meadow Katydid
Long-spurred Meadow Katydid
Red-headed Meadow Katydid
Coneheads (Copiphorinae):
FAMILY DESCRIPTION
Round-tipped Conehead
Nebraska Conehead
Robust Conehead
Slightly Musical Conehead
Sword-bearing Conehead
False Robust Conehead
Marsh Conehead
Black-nosed Conehead
True Katydids (Pseudophyllinae):
FAMILY DESCRIPTION
Common True Katydid
False Katydids (Phaneropterinae):
FAMILY DESCRIPTION
Clicker Round-winged Katydid
Common Virtuoso Katydid
Rattler Round-winged Katydid
Oblong-winged Katydid
Great Angle-wing
Lesser Angle-wing
Broad-winged Bush Katydid
Curved-tailed Bush Katydid
Fork-tailed Bush Katydid
Northern Bush Katydid
Texas Bush Katydid
Treetop Bush Katydid
Modest Katydid
Shield-backed Katydids (Tettigoniinae):
FAMILY DESCRIPTION
American Shieldback
Least Shieldback
Protean Shieldback
Robust Shieldback
Roesel’s Katydid
Band-winged Grasshoppers (Oedipodinae):
Boll’s & Carolina Grasshoppers
Marsh Meadow Grasshopper