• Cyclamen mite

  adult mite. They are oval in form, smooth, transparent and twice as long as they are wide. Both ends are equally rounded. The larvae are opaque white and [...] The males are smaller than the females and their hind legs are modified and used to transport pharate females. Eggs of the cyclamen mite are about half [...] parts. The mites are mostly found within the flower buds, growing tips and young folded leaves, where the humidity is highest and they are protected from

• Coleobug

  an oval and slightly convex shape. The larvae are dark gray or black with orange or pinkish spots. They are elongated and segmented, with the youngest being [...] color from yellowish to deep orange with dark spots. Eggs are laid in clusters of 10 to 40 and are light yellow. Pack size 1,000 predator beetle larvae. [...] prey is captured with their mouthparts and consumed directly. The larvae are especially voracious and can consume more than 30 aphids per day. Adults also

• Sciarid flies

  . Lycoriella species are mainly found in commercial mushroom cultivation where they can cause enormous damage. Sciarid flies are usually found in damp [...] little, plant death is generally local. Young plants that are kept humid and well-watered are particularly at risk. Life cycle and appearance of Sciarid [...] hardly feed at all during their short life. The males are usually smaller than the females. They are not fast fliers, and prefer damp areas in dark places

• Hemp russet mite

  nymphal stages are sometimes also called larva (1st stage) and nymph (2nd stage). The eggs are approximately 0.05 mm in diameter and adults are around 0.2 [...] russet mite All life stages of the hemp russet mite are extremely small and difficult to observe. They are elongated (torpedo-shaped), soft and segmented. [...] stems and petioles of the hemp plant and can cause stunting. When populations are large, the mites can also be found on the underside of leaves. This results

• Vine mealybug

  adult. The eggs are golden-yellow in color and are deposited in an cottony egg sac (ovisac) containing from 300-500 eggs. The nymphs are very similar to [...] to the adult female, even if they are smaller. The prepupa and pupa stages are present only in the male. After a complete metamorphosis, a winged male emerges [...] of honeydew. Characteristically, dark sooty moulds ( Cladosporium spp .) are often found growing on this honeydew. Additionally, the white, waxy secretion

• Lesser house fly

  and they typically reproduce in feces, compost and carrion. These flies are often a serious concern for commercial animal farming operations, since h [...] Fannia spp. do not cause any direct damage to animals or buildings, they are considered a serious pest because: The males form swarms above the ground [...] appearance of the Lesser house fly Lesser house flies and other Fannia spp. are medium-sized to small flies with dark bodies and legs. When the flies mate

• Broad mite

  and cyclamen are also affected. Outside in temperate climates, broad mites (Polyphagotarsonemus latus) are not a serious problem, as they are unable to [...] elongated, oval eggs are firmly attached to the surface and are rather large (about 0.07 mm) compared with the subsequent, active stages. They are transparent and [...] cells are killed, deformed corky patches frequently appear causing misshapen fruits that often crack open at the site of deformation. Flowers are often

• 6 Steps for a Successful Mealybug Biological Program

  March 19, 2024

  mealybugs, are becoming increasingly difficult to control in grapes. With chemical restrictions increasing and consumer demands shifting, many growers are turning [...] (April/May) Beneficials are much more effective when used proactively. By the time your field crew finds bleeding bark, mealybug populations are already high. 3) [...] sustainable management methods such as augmentative insect releases. If you are new to the world of beneficial insects, then review the steps below to help

• Tomato russet mite

  russet mite All life stages of the tomato russet mite are extremely small and difficult to observe. They are elongated (torpedo-shaped), soft and segmented. [...] of legs, whereas other mite groups have four pairs. Eggs are roughly 0.05 mm in diameter and are laid on the underside of leaves, on leaf petioles, and on [...] When newly laid they are creamy white but turn to a patchy yellow as they age. The mites have two nymphal stages: sometimes they are also called larva (1st

• Cotton leafworm

  through six larval stages. Young larvae are pale green with a brownish head. In the last larval stage, they are 35 to 45 mm long. Coloration varies from [...] which is more pronounced in the male. The hindwings are whitish, with a brown leading edge. Adults are only active at night. [...] Damage symptoms Most of the damage is caused by the older caterpillars which are voracious leaf feeders. Extensive feeding by the larvae may lead to complete