Insects of Southern Australian Broadacre Farming Systems - Grains ...

Insects of Southern Australian Broadacre Farming Systems Identification Manual and Education Resource © 2012
Table 3.2 Key characters of invertebrates of agricultural importance – ADULT FORMS continued
10
Insect type
Page number
Body region features
Order (O)
Ute Guide *
Lifecycle
General shape &/or other useful features
Head Thorax
Wing appearance SA WA
I SPY
Section
4
No. of
wing
pairs
No. of
legs
Mouthparts Antennae
Lifecycle: incomplete metamorphosis.
75
- 78
97
-
72
Two segmented body; cephalothorax (fused
head & thorax) and abdomen.
none Wingless
8 (6 in
nymphs)
None. Often use
forelegs as
sensory tools.
Mites
Class: Arachnida
O: Acarina Chewing/
sucking
chelicerae.
103
Spinnerets (web spinning organ) at end of
abdomen.
Scissor-like set
of stylets.
Lifecycle: incomplete metamorphosis.
Springtails
Class: Collembola
SECTION 3 IMPORTANT INSECT GROUPS AND IDENTIFICATION KEYS
Two main body forms; cylindrical (elongate) or
globular (compact).
Chewing
63 89 70
Slightly hairy bodies, abdomen 6 segmented
with ventral tube.
6 none Wingless
Short and
segmented
(never more than
6 segments).
(hidden by oral
folds or cheeks).
Small insects that jump when disturbed using
a forked tail-like organ (furcula) present
underneath abdomen.
Only a few pests (e.g. lucerne flea).
* Crop Insects the Ute Guide, Southern (S.A.) or Western (W.A.) edition