COLEOPTERA

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COLEOPTERA (beetles)
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Hexapod Orders
Coleoptera
Koelos - shield, ptera - wing
Number of Species
350,000
Common names
Beetles
Typical habitats
Diverse
Distinguishing characteristics
-elytra -wing folding
-differential abdomen sclerotization -no
ocelli -shield-like pronotum
Other features
3
So far in classification
Exopterygota
Head with gula
Neuropteroid Orders
mandibulate
Hymenoptera
Diptera
2
Neoptera
Wings
larvae without legs
4
Mecoptera
Head without gula
Siphonaptera
No wings
rostrate
- Lepidoptera
Wings with scales
Mecopteroid orders
larvae with legs
Hymenopteroid orders
- Trichoptera
Wings with hairs
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Coleoptera - Characteristics
1) Possess a trochanter
Separates them from Strepsiptera
2) Not parasitic
3) Possess elytra
6) Spiracles open under elytra
4) Wing folding
5) Pronotum
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Suggested Relationships in Coleoptera
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Coleoptera - MAJOR GROUPS (SUBORDERS)
1. Archostemata
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Coleoptera - MAJOR GROUPS (SUBORDERS)
2. Adephaga (10 of all beetles - 35,000 species)
Ground and water beetles
Dytiscidae
Cicindelidae
Carabidae
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Coleoptera - MAJOR GROUPS (SUBORDERS)
2. Adephaga (10 of all beetles - 35,000 species)
Ground and water beetles
- 5-segmented tarsi - 2 claws
Gyrinidae
10
Coleoptera - MAJOR GROUPS (SUBORDERS)
3. Myxophaga (65 species)
Hydroscaphidae
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Coleoptera - MAJOR GROUPS (SUBORDERS)
4. Polyphaga - 90 of all beetles
Superfamily - Hydrophiloidea
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Coleoptera - MAJOR GROUPS (SUBORDERS)
4. Polyphaga - 90 of all beetles
Superfamily - Staphylinoidea
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Coleoptera - MAJOR GROUPS (SUBORDERS)
4. Polyphaga - 90 of all beetles
Superfamily - Scaraboidea
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Coleoptera - MAJOR GROUPS (SUBORDERS)
4. Polyphaga - 90 of all beetles
Superfamily - Chrysomeloidea
Cerambycidae
Chrysomelidae
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Coleoptera - MAJOR GROUPS (SUBORDERS)
4. Polyphaga - 90 of all beetles
Superfamily - Curculionoidea
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Boll Weevil Monument