Melanoplus femurrubrum
| Red-legged Grasshopper | |
|---|---|
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| Quebec, Canada | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Orthoptera |
| Family: | Acrididae |
| Subfamily: | Melanoplinae |
| Genus: | Melanoplus |
| Species: | M. femurrubrum |
| Binomial name | |
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Melanoplus femurrubrum (De Geer, 1773) |
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The red-legged grasshopper (Melanoplus femurrubrum) is a species of grasshopper belonging to the genus Melanoplus. It is one of the most common grasshoppers found in Mexico, the United States, and Canada. This grasshopper is frequently used as a model organism in scientific studies, due to their abundance throughout North America and behavioral response to changes in climate.
M. femurrubrum is a medium-sized grasshopper, in which males can can range in length from 1.7 cm (0.67 in) - 2.4 cm (0.94 in), whereas females can range from 1.8 cm (0.71 in) - 3.0 cm (1.2 in) long. This grasshopper has a reddish-brown back, a greenish-yellow belly, and red hind tibiae, hence its specific name femurrubrum (femur = thigh, rubrum = red). Wings of M. femurrubrum typically extend beyond the tip of the abdomen. Males have an enlarged abdomen, with a U-shaped sub-genital plate.
M. femurrubrum can be found in a variety of habitats found throughout most of North America, but prefer grasslands and areas of thick vegetation. They are commonly found in disturbed habitats and old fields.
M. femurrubrum, like other Orthoptera, undergo incomplete metamorphosis. This includes going through three stages of metamorphosis: egg, nymph, and adult. Adult female M. femurrubrum deposit eggs throughout autumn in the top 2 cm of the soil, where the eggs will develop until entering winter diapause. As the soil temperature increases during spring, the eggs will finish development and first instar nymphs will dig to the surface of the soil. M. femurrubrum nymphs will molt 5-7 times before its final molt, in which they will be considered adults, having fully functioning wings and sexual organs. This species of grasshopper is univoltine, meaning they have one generation per growing season; however, in their southern distribution, adults and nymphs can be found throughout the year and may have more than one generation throughout the year.
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Wikipedia