crustaceans. jointed appendages phylum : arthropoda class : crustacea 甲殼綱 carapace antennae

Crustaceans

Jointed appendages

Phylum : Arthropoda

Class : Crustacea

甲殼綱

CarapaceAntennae

abdomenwith swimmeret for swimming

carapace

antennae

walking legs

Tail fan for escape movement

chela

rostrum

Shore crab

Carapace

Sand crab

Fiddler crab

Horse-shoe

crab

Horseshoe crab /

kingcrab

Barnacles

Jointed legs creating feeding current

Centipedes

A centipede

Phylum : Arthropoda

Class : Myriapoda

多足綱

Arachnids

A long-leg crab spider

Phylum : Arthropoda

Class : Arachnida

蜘蛛網

Head & throrax

fused together

4 pairs

of jointed

legs

A mite

Dog tick

Scorpion

Young scorpions on their mother’s back

Insects

A fly

Phylum : Arthropoda

Class : Insecta

昆蟲綱

head

thorax

Abdomen

2 pairs of wings

1 pair of compound eyes

Blow fly maggots

Wasps

A black wasps

Wasps larvae in nest

Wasps nest

Termites

Winged reproductive termites

Damage to pine

butterfly

Moth

Moth’s eggs

A caterpillar

A cocoon

A pupa inside a cocoon

Moth

Adult ( imago )

eggs

Larva

pupa

Complete metamorphosis ( 完全變態 )

A silk moth

Silk-moths’ cocoon

Developmental stages ( incomplete metamorphosis )

Adult

nymph eggs

Incomplete metamorphosis

Cricket

Water strider

Stick insect

Preying mantis

?

A earwig

larva

Insect with new exoskeleton emerges

Old exoskeleton

Taking in air to expand the body before the new exoskeleton hardens

! !

Oh …. 係一隻完全變態昆蟲呀 … .