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PestAway Pest Control Blog
Oriental Cockroaches in Melbourne
The medium-sized oriental cockroach (furthermore known as the “water bug”, shade cockroach or black beetle) is dark brown to black. The female oriental cockroach has much compact wings (presented as wing buds), whereas the male oriental cockroach has wings that coat most, but not all, of the abdomen. Oriental cockroaches do not fly. Egg cases are typically glued to surfaces and can have up to 16 eggs. Nymphal development may require six to eighteen months. Adult lifespan is commonly just about three to six months, and a female oriental cockroach may produce up to 14 egg cases throughout her adult life.
The oriental cockroach is the substantial pest cockroach of buildings in Britain. Its interest for relatively cool conditions and damp locations is reflected in its more southern distribution in Australia (see cockroach and pest control in Victoria and Melbourne), where it is often encountered outdoors (under leaf litter and bark) and in damp subfloors, around drainage systems. They live in port cities around the world. The oriental cockroach is comparatively lazy and is usually located at or below ground level in buildings, in basements or cellars. The oriental cockroach shuffles around service ducts, toilets, bathtubs, sinks, radiators and pipes. Despite the fact that their natural home is outdoors, oriental cockroaches often infest premises and houses during warm seasons and in summer. Inside, oriental cockroaches are likely to remain on lower floors and in large numbers near water sources. This type of cockroach uses a variety of decaying organic matter, regularly feeding in garbage disposal areas. As well, starches and sizing of wallpaper and books can be attacked by oriental cockroaches. The oriental cockroach often eats anything, but occasionally seen feeding on garbage, sewage and decaying organic matter.
Oriental cockroach egg cases are dark and reddish-brown in colour. The egg cases of oriental cockroach are about one to one and half centimetre, look to be slightly inflated. Oriental cockroach nymphs develop particularly much the same to adults of their species. Unlike other species, they emerge the identical colour as adults. Female nymphs are bigger and heavier than male nymphs. The nymphal stage spans about one year, during which time Oriental cockroaches moult between seven and ten times. Oriental cockroach nymphs, moreover exhibit habits equivalent to those of adults. Whether inside or outside, they are discovered near decaying organic matter. In yards, they hide well underneath leaves and the mulch of flowerbeds. They can also thrive in high-moisture places such as sewers, drains and basements. Both nymphs and adults of this species are sluggish and are likely to nest below ground level indoors.
Not like the other domestic and home cockroach species, the oriental cockroach observes a seasonal growth cycle. They appear to develop sooner during the rainy part of the year like spring. The peak of adult population is in late spring or early summer and slows down significantly by late summer and into early fall. If nymphs have not yet reached maturity by the fall, they will typically not become adults prior to next spring. You can find more information about cockroach control here.
Posted by PestAway Australia on 10th December, 2012 | Comments
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