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The abdomen is brownish black, the wing covers reddish brown tinged with yellow, and the antennae and legs are pale reddish brown. The pronotum and wing covers are covered in dense, short greyish hairs. The larva is known as a wireworm and lives in the soil. It is yellow, slender, stiff and leathery, and grows to a length of about 20 mm (0.8 in).
Click beetle larvae, called wireworms, are usually saprophagous, living on dead organisms, but some species are serious agricultural pests, and others are active predators of other insect larvae. Some elaterid species are bioluminescent in both larval and adult form, such as those of the genus Pyrophorus .
Agrotis ipsilon, the dark sword-grass, ipsilon dart, black cutworm, greasy cutworm or floodplain cutworm, is a small noctuid moth found worldwide. [2] The moth gets its scientific name from black markings on its forewings shaped like the letter "Y" or the Greek letter upsilon . [ 3 ]
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Potato tuber moth larvae are typically 12-15mm long and are white or yellow with a brown head and prothorax. As the larvae matures, its color changes from white/yellow to pink/green. The thorax contains small black spots as well as bristles on each segment, and the larvae typically feeds on its host plant for up to two weeks before pupation. [2]
A sign of black dot disease is black microsclerotia that are produced by the pathogen, and can be found on the roots, the tuber, the stems, and the leaves. [3] This can be used to diagnose black dot. Symptoms of black dot disease include silvery lesions on the surface of the tuber, brown or black lesions on the leaves, leaf wilting, and ...
Alaus oculatus can reach a length of about 25–45 millimetres (1.0–1.8 in). [2] They have an elongated body, black in color throughout. The pronotum exhibits a large oval patch of darker scales, framed in white, on each side - the common name of the beetle derives from this feature.
Potato aucuba mosaic virus: genus Potexvirus, Potato aucuba mosaic virus (PAMV) Potato black ringspot virus: genus Nepovirus, Potato black ringspot virus (PBRSV) Potato deforming mosaic virus: genus Geminiviridae Potato deforming mosaic virus subgroup III, (PDMV) Potato latent virus: genus Carlavirus, Potato latent virus (PLV) Potato leafroll virus