Rhodesgrass Mealybug Facts
Sphaerococcus graminis Maskell, 1897, Hong Kong.
English: Grass-crown mealybug, felted grass coccid, Rhodesgrass scale.
Ellipsoid to practically spherical and about 0.11–0.16 in (3–four mm) lengthy. Purplish brown and lined dorsally by a felted, waxy, brittle, whitish to yellowish coating. Openings on the anterior and posterior ends expose the physique, with a tubular, waxy white filament protruding from the anal finish. First larval instar is ambulatory; the remaining instars and adults are legless.
Of Asiatic origin however now nearly cosmopolitan, mainly in hotter elements of temperate zones.
Crown, base, leaf sheaths, and stolons of forage grasses and lawns.
The first instar larva walks and adjustments resting websites; thereafter, they're legless and stay in place for all times, quickly beginning to secrete their felted, waxy coating.
FEEDING ECOLOGY AND DIET
Adults and larvae take sap from a number of grasses, mainly cereals. Newly born larvae stroll round and set themselves down in a leaf sheath, partaking in lively feeding till dying.
Parthenogenetic, with out males. The feminine produces residing larvae; solely newly born larvae stroll. There are about 5 generations per 12 months.
SIGNIFICANCE TO HUMANS
A minor pest of discipline crops. Yield losses may be anticipated in cereal cultures, in addition to withering of lawns. The sugary feces favor sooty mildew growth.
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