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Khapra beetle infestation can spoil otherwise valuable trade goods and threaten significant economic losses if introduced to a new area. Handling or consuming contaminated grain and seed products can lead to health issues such as skin irritation and gastrointestinal distress.
Wood affected by woodworm. Signs of woodworm usually consist of holes in the wooden item, with live infestations showing powder (faeces), known as frass, around the holes.. The size of the holes varies, but they are typically 1 to 1.5 millimetres (5 ⁄ 128 to 1 ⁄ 16 in) in diameter for the most common household species, although they can be much larger in the case of the house longhorn beet
Chalcoscelis albiguttata-pest of leaves [1] leaf eating, gelatine grub (Chalcocelis albiguttatus) [3] scale insect (Coccoidea) [1] scale insect, soft scale (Coccus sp.) [3] durian fruit borer, durian husk borer, yellow peach moth, Queensland bollworm (Conogethes punctiferalis syn. Monogatus puntiferalis and Dichocrocis punctiferalis) [1] [3]
Slugs will also eat leaves like those on hosta plants. Slugs follow their slime trails back to their homes, so you can find them this way if you want to capture and release the garden pest elsewhere.
Ampedus nigricollis Melanotus leonardi Click beetle in Japan Alaus oculatus on a potato plant in an Oklahoma garden. Elateridae or click beetles (or "typical click beetles" to distinguish them from the related families Cerophytidae and Eucnemidae, which are also capable of clicking) are a family of beetles.
Leaf spots are visible symptoms of virus infections on plants, and are referred to as systemic symptoms. [7] In systematic virus infections leaf spots caused by viruses show a loss of green colour in leaves, due to chlorosis which is a repression of chlorophyll development. [ 1 ]
The larvae can cause severe damage and kill the plant by gnawing the plant roots. [5] The cockchafer develops via metamorphosis, in which the beetle undergoes stages of egg, larvae, pupae and adults. The mating behaviour is controlled by pheromones. The males usually swarm during the mating season while the females stay put and feed on leaves. [6]
Clinostomum marginatum is a yellow flatworm that can grow up to 6.4 millimetres (0.25 in) in the flesh of freshwater fish or the muscle of frogs. Distinguishing characteristics of this parasite in the "miracidium" stage are three eyespots located on the mid-dorsal line, posterior of lateral papillae.