entomology - msu organic pest management

Entomology:

Insect Diversity and Taxonomy

John McNamara Pote

Insect Diversity

Humans and Insects

Subtle Distinction

Leptinotarsa decemlineata

Taxonomy Systematics

Basic Insect Systematics

INSECTA

PterygotaApterygota

Exopterygota Endopterygota

CLASS:

Sub-class:

Division:

Insect Development

Exopterygota

• Hemimetabolous

• Wings develop

outside of the body

• Immatures

(nymphs) resemble

adults

Endopterygota

• Holometablous

• Wings develop

within body during

pupation

• Immatures (larvae)

do not resemble

adults

INSECTA

PterygotaApterygota

Exopterygota Endopterygota

Collembola

Hemiptera

Isoptera

Dermaptera

Orthoptera

Odonata

Hymenoptera

Diptera

Lepidoptera

Coleoptera

10 Important Insect Orders

The Etymology of Entomologyptera

donto

coleo

lepi

ortho

di

hymeno

iso

derm

= wing

= teeth/tooth

= sheath

= scale

= straigh

= two

= membrane

= same

= skin/leather

Collembola

Odonata

Anisoptera Zygoptera

Orthoptera

Dermaptera

Isoptera

Hemiptera

BUGS!!!

Stink Bug/Shield Bug

(F: Pentatomidae)

Giant Water Bug

(F: Bellostomatidae)

Kissing Bug, Vector of

Chagas Disease

(F: Reduviidae)

Non-Bug Hemipterans

Scale (F: Coccoidea)

Cicada (SF: Cicadoidea)Aphids (SF: Aphidoidea)

ColeopteraThe most diverse order in the

animal kingdom

Lepidoptera

Diptera

Hymenoptera

Identification

Key Things to Look For

Wingspresence, number, position, texture

Mouthpartssucking/piercing or chewing

Minor Orders