Melanoplus ponderosus
(Scudder, 1875)
ponderous spur-throat grasshopper
Melanoplus ponderosus is a spur-throated grasshopper in the Acrididae, found in North America. The exhibits cryptic coloration adapted to its . Two are recognized: M. p. ponderosus and M. p. viola. It has been documented in xeric grassland and glade habitats, particularly in the Ozark region.
Pronunciation
How to pronounce Melanoplus ponderosus: /mɛˈlænəpləs pɒnˈdɛrəsəs/
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Identification
A spur-throated grasshopper distinguished by the presence of a spur or projection on the . Distinguished from similar Melanoplus by its robust build and cryptic coloration. The species name "ponderosus" (meaning heavy or ponderous) likely refers to its relatively stocky body form compared to .
Images
Habitat
Xeric grasslands, igneous and dolomite glades, and dry woodland margins. Documented from rhyolite glades with lichen-covered rock exposures and surrounding dry oak-hickory woodlands.
Distribution
North America. Documented from Missouri (Ozark region, specifically Washington County), Colorado, and Texas.
Behavior
Exhibits cryptic coloration that makes individuals difficult to locate after jumping. have been observed in October, suggesting late-season activity in at least part of its range.
Ecological Role
Herbivore in xeric grassland and glade . Part of the diverse associated with igneous glade natural .
Similar Taxa
- Melanoplus rusticusAlso found in similar dry woodland and glade in the Ozark region; distinguished by obovate wing shape
- Melanoplus differentialisAnother spur-throated grasshopper with overlapping range; differential grasshopper is generally larger and associated with more disturbed
- Hippiscus oceloteSympatric wrinkled grasshopper found in similar glade margins and dry woodlands; distinguished by wrinkled pronotal surface and different body proportions