Appalachia arcana
Secretive locust
Image of Appalachia arcana

Photo by David Cuthrell 

Adult female

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Key Characteristics

The secretive locust is a small, short-winged grasshopper which does not have the ability to sing or fly. Males are brownish gray with a conspicuous stripe dorsally and contrasting lateral black stripes extending from the head nearly to the end of the abdomen; both sexes have red undersides on the hind femora.

Status and Rank

  • State Status: SC
  • State Rank: S2
  • Global Rank: G2G3

Occurrences

County NameNumber of OccurrencesYear Last Observed
Alcona22007
Cheboygan12005
Clare42014
Crawford182014
Iosco62008
Kalkaska11992
Missaukee11937
Montmorency62011
Ogemaw12003
Oscoda122014
Otsego32002
Presque Isle42014
Roscommon122014
Distribution map for Appalachia arcana

Updated 1/31/2017. Information is summarized from MNFI's database of rare species and community occurrences. Data may not reflect true distribution since much of the state has not been thoroughly surveyed.

Habitat

Secretive locusts primarily inhabit open leatherleaf-dominated sphagnum bogs surrounded by jack pine. It has also been found in open groves of aspen and pines, in shrubby undergrowth of jack pine barrens, in early shrub-thicket stages of second growth northern hardwoods. Experts speculate that oviposition may occur in upland soil adjacent to bogs. This is the only grasshopper endemic to Michigan.

Natural Community Types

Methodology

For each species, lists of natural communities were derived from review of the nearly 6,500 element occurrences in the MNFI database, in addition to herbarium label data for some taxa. In most cases, at least one specimen record exists for each listed natural community. For certain taxa, especially poorly collected or extirpated species of prairie and savanna habitats, natural community lists were derived from inferences from collection sites and habitat preferences in immediately adjacent states (particularly Indiana and Illinois). Natural communities are not listed for those species documented only from altered or ruderal habitats in Michigan, especially for taxa that occur in a variety of habitats outside of the state.

Natural communities are not listed in order of frequency of occurrence, but are rather derived from the full set of natural communities, organized by Ecological Group. In many cases, the general habitat descriptions should provide greater clarity and direction to the surveyor. In future versions of the Rare Species Explorer, we hope to incorporate natural community fidelity ranks for each taxon.

Feel free to send questions and comments to Brad Slaughter at slaugh14@msu.edu.

Management

Maintain a suitable mosaic of bog and jack pine habitat. Leave sufficient buffer around boggy wetlands surrounded by jack pine when conducting timber operations. Avoid draining, filling, or other hydrologic alterations to suitable bog habitat. Species may be fire adapted, but until more research on this topic is conducted, fire management in occupied habitat should be used cautiously.

Active Period

Breeding from first week of September to third week of September

Survey Methods

They are most easily seen in mid-morning (after 10:00 AM) and early evenings (5-7:30 PM) when activity is at a peak. Males are usually found sunning at the tips of branches of leatherleaf or on trunks and branches of jack pine and tamarack. Females are more secretive, usually remaining hidden lower down in trees and shrubs. When approached, they tend to rely on camouflage and remain motionless, eventually taking two to three quick leaps in a zigzag pattern, or drop to the ground and burrow into the sphagnum.

Page Citation

Michigan Natural Features Inventory. 2007. Rare Species Explorer (Web Application). Available online at http://mnfi.anr.msu.edu/explorer [Accessed Apr 30, 2017]

More Information

See MNFI Species Abstract

References

Survey References

Technical References

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