usually green. The head looks a bit like a tree and branches out from a single thick, edible stalk. Broccoli (both the head and the stalk) can be…
flowers of orchids come in many different arrangements. Some only have a single flower, but most plants have a racemose inflorescence, which can…
commercial role. The plum is a drupe, so its firm and juicy flesh contains one single, hard seed. The plum is usually not too big (between 1-3 inch…
can see them. They contain a wide range of plant material; either with a single consistent type of plant in the basket, or with a combination of…
white or yellow spots. Eggs are oval and black to greenish brown and laid singly or in rows of 3 to 10 eggs, standing perpendicularly on the branches…
Pupae are white to cream coloured and 7 - 10 mm long. Outdoors there is a single generation each year. A population of black vine weevils consists…
stages: egg, three larval instars, a pupa and the adult fly. The eggs are laid singly and are bean-shaped. A first instar larva is translucent white.…
is yellow and up to 1.7 mm long. The adult male is 0.7 mm long and has a single pair of wings. First-instar nymphs are 0.3 mm long and have legs, but…
areas on the plant. The eggs are white and banana-shaped and are inserted singly in plant tissue by the females. The early larval stage is whitish…
the first generation adults appear from mid May onwards. Eggs are laid singly on leaves or developing fruitlets and hatch after 10-14 days. The first
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