Trimerotropis agrestis

McNeill, 1900

toothed field grasshopper, toothed dune grasshopper

Species Guides

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Trimerotropis agrestis is a band-winged grasshopper in the Acrididae, described by McNeill in 1900. It is native to North America with documented in Colorado, Idaho, and Nebraska. The has been studied for its unusual behavioral , including apparent sex-role reversal in displays and hybridization with Trimerotropis maritima in disturbed .

Trimerotropis agrestis by (c) Laura Gaudette, some rights reserved (CC BY), uploaded by Laura Gaudette. Used under a CC-BY license.Trimerotropis agrestis by Laura Gaudette. Used under a CC BY 4.0 license.Trimerotropis agrestis by Laura Gaudette. Used under a CC BY 4.0 license.

Pronunciation

How to pronounce Trimerotropis agrestis: /ˌtraɪməˈrɒtrəˌpɪs əˈɡrɛstɪs/

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Identification

As a member of Trimerotropis, this possesses banded wings typical of the group. Specific diagnostic features distinguishing it from are not documented in available sources. The species name "agrestis" (Latin for "of the field") suggests association rather than morphological trait.

Images

Habitat

Found in open field and dune environments. Has been documented in recently disturbed where it occurs in sympatry with Trimerotropis maritima. Associated with desert grassland based on behavioral studies.

Distribution

North America. Documented occurrence records from Colorado, Idaho, and Nebraska.

Behavior

Exhibits displays that function in reproductive contexts. Studies suggest presumed sex-role reversal in which females may perform aerial typically conducted by males in other . Communicates through species-specific signals, though detailed mechanisms are not extractable from available sources. Hybridization with Trimerotropis maritima has been observed in sympatric .

Similar Taxa

  • Trimerotropis maritimaOccurs in sympatry and has been documented to hybridize with T. agrestis in recently disturbed ; requires careful identification where ranges overlap.
  • Trimerotropis latifasciataShares -level cryptic coloration adaptations and band-winged ; both utilize camouflage against substrate backgrounds.

More Details

Subspecies

Two are recognized: Trimerotropis agrestis agrestis and Trimerotropis agrestis barnumi.

Behavioral research history

Subject of two-part behavioral study in Animal Behaviour (1970, 1971) examining displays and communication, making it one of the better-studied North for reproductive despite limited ecological data.

Sources and further reading