Cockroach

Cockroach

Pesky hissing insects…

  • Cockroaches are also known as roaches and are from the family of Blattaria.
  • Of the 4,500 species of cockroach, only about 30 species live in households and are generally regarded as household pests.
  • Cockroaches like warm environments and prefer to live in groups.
  • Cockroaches leave tracks containing chemicals, that other roaches can follow and use to find food and water.
  • Cockroaches are nocturnal insects and don’t like light.

Cockroach, dead, brown, common, house, Australia, Ten Random Facts

  • The heaviest cockroach is the Australian giant burrowing cockroach, weighing 30 grams (1.1 ounce) and is approximately 9 cm (3.5 in) long.
  • Some cockroaches can live without any air for 45 minutes and can recover from being submerged underwater for 30 minutes.
  • Cockroaches have allergens that can cause asthma attacks, which can be as common as dust mite asthma related allergies.
  • Hydramethylnon, fipronil and boric acid are all toxic to cockroaches, so these chemicals are often used in cockroach baits.
  • In the early centuries, ground or boiled cockroaches were used as a medicine.
Bibliography:
Cockroach 17 March 2013, Wikipedia, <http://en.wikipedia.org/wiki/Cockroach>

Jewel Bug

Jewel Bug

Little ‘jewels’.  Flashy, shiny and metallic.

  • Jewel bugs are also known as metallic shield bugs.
  • Jewel bugs are from the ‘Scutelleridae’ family, which are true bugs that have mouths that suck, rather than beetles that have mouths that chomp.
  • The jewel bug’s diet consists of plant juices.
  • When jewel bug’s feed, they alter the plant by injecting an enzyme from their saliva into the plant matter, which turns the plant into a liquid state.
  • Jewel bugs are related to stink bugs, as they can produce a smell when they are irritated.

Jewel Bug, Armor, Metallic, Orange, Red, Blue, Green, Australia, Queensland, Ten Random Facts

  • There are approximately 450 species of jewel bugs around the world.
  • Jewel bugs can range from 5 mm to 2 cm (0.2 to 0.79 inches) in length.
  • Jewel bugs come in a range of colours including metallic or iridescent blue, red, orange, black and green.
  • Jewel bugs lay white, cylindrical shaped eggs.
  • Jewel bugs moult, which is when they shed their exoskeleton to grow bigger.
 Bibliography:
Scutelleridae 26 December 2012, Wikipedia,  <http://en.wikipedia.org/wiki/Scutelleridae>

Witchetty Grub

Witchetty Grub

Hooked Stick Grub

  • Witchetty grubs are also known as witchety grubs or witjuti grubs.
  • The term witchetty grub is used for large white larvae of moths that chew through wood and eat roots or sap of certain trees and plants.
  • The most common type of witchetty grub is the larvae of the Cossid Moth.
  • Witchetty grubs are part of the traditional diet of indigenous Australians.
  • Witchetty grubs are eaten either raw or cooked and are very high in protein and have a nutty flavour.  They have been said to taste like scrambled eggs, and when cooked they taste like chicken.

Witchetty Grub, Dessert, Orange Head, White Bug, Larvea, Australia, Ten Random Facts, Sun

Witchetty Grub
Image courtesy of Nathan Johnson/Flickr
  • The word ‘witchetty grub’ comes from the indigenous Australian language, Adnyamathanha, from the words ‘wityu‘ meaning hooked stick and ‘vartus‘ meaning grub.
  • The witchetty bush (acacia kempeanas) is the main food of certain witchetty grubs.
  • The witchetty grub can grow up to 12 cm (4.7 inches) in size.
  • Witchetty grubs live in burrows that they create, up to 60 cm (23 inches) underground.
  • Witchetty grub moths have a wingspan of up to 16cm (6 inches) and don’t eat, but instead use stored energy from the grub form.
Bibliography:
Witchetty Grub n.d, Bush Tucker, <http://library.untamedgroup.com/entry/bush-tucker/103/>

Woodlouse

Woodlouse

One woodlouse, many woodlice.

  • Woodlice are a crustacean and have a long outer skeleton body and fourteen limbs that are jointed.
  • There are at least 3000 species of woodlice and some, Armadillidium, can roll into a spherical shape as a defence, though most woodlice can not do this.
  • Woodlice have many other names, including: armadillo bug, boat-builder, carpenter, cafner, cheeselog, cheesy bug, doodlebug, pill bug, potato bug, roly-poly, sow bug, roll up bug, chuggypig, chucky pig, slater, gramersow, butcher boy, butchy boy and wood bug.  Some of these common names are specific to certain species of woodlice.
  • The fertilised eggs of a female woodlouse are kept in a brood pouch on the underside of its body.
  • Woodlice need lots of moisture to live, though most woodlouse don’t live in water.

Slater, Woodlouse, Black, Bug, Striped, Armadillidiida, Pill Bug, Ten Random Facts,

  • Woodlice breath through ‘lungs’ in their hind legs.
  • Woodlice are nocturnal and live in dark, damp areas.
  • Woodlice are great for compost and the garden as they feed mainly on rotted vegetation and in so doing, recycle nutrients and aerate the soil, though they can be a threat to new grown plants.
  • Woodlice may enter homes in search for moisture, although are considered a minor pest as they do no damage to wood.
  • Woodlice moult, and unlike most arthropods, shed their ‘shell’ (exoskeleton) in two halves over a couple of days.
Bibliography:
Woodlouse 15 December 2012, Wikipedia, <http://en.wikipedia.org/wiki/Woodlouse>

Termite

Termite

Term-ites. No, terms are not all right!

  • Termites eat old foliage including wood and dead animals.
  • Termites build mounds up to 7 metres (23 feet) high for shelter, storage and to keep the termites and nest moist and cool.
  • Termites don’t like daylight so hide in small tunnels during the day.
  • Termites build there mounds and tunnels mainly out of clay and dirt.
  • Termite nymphs moult up to ten times before they become an adult, the process taking a year.

Worker Termite, Termite tunnels, wood, Ten Random Facts

  • Only the termite kings and queen have wings, whilst workers have white heads and soldiers have red heads.
  • Termites are commonly known as “white ants” but are not technically an ant.
  • Termites are traditionally eaten in many countries since they are a good source of fat and protein.
  • Termites have been blamed to have eaten $220,000 worth of Indian rupee notes.
  • Termites are mainly found in tropical and warm temperature regions.
Bibliography:
Burnie, D 2006, E.Explore Insect, Dorling Kindersley, Great Britian
Termite 8 November 2012 , Wikipedia, <http://en.wikipedia.org/wiki/Termite>

Dragonfly

Dragonfly

Zoom, zoom ancient, little dragons.

  • Dragonflies belong to the insect group called Odonata species, and are close relatives to damselflies which also belong to this group. They are found worldwide, except in Antarctica.
  • Adult dragonflies have large eyes, a long abdomen body and two pairs of large, transparent wings.  They usually rest with their wings spread out.
  • Dragonfly wings can beat in opposite directions, allowing the dragonfly to hover and fly backwards as well as fly forwards.  They zoom through the air and can fly at speeds of 58 km/h (36 mph).
  • Dragonfly adults lay their eggs by dropping them on water.  The eggs hatch into dragonfly nymphs which have good legs, eyes and jaws and live underwater.

Dragonfly resting, Wings spread, Ten Random Facts

  • In Spring or Summer, a mature nymph climbs out of the water and moults wings and becomes an adult dragonfly.
  • The markings of a female are normally different to a male’s markings.
  • Adult dragonflies have larger eyes and are more colourful than dragonfly nymphs.
  • Adult dragonflies eat insects and small water creatures and us their feet to capture prey.
  • Dragonfly nymphs hunt small water creatures and fish using stealth, ambushing and stalking techniques.  When its prey is close enough, the nymph shoots out a harpoon like mask that stabs and reels in the prey.
  • Dragonflies are threatened due to the drainage of wetlands were they lay eggs and nymphs survive.
Bibliography:
Burnie, D 2005, E.Explore Insect, Dorling Kindersley, Great Britian

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