All of the Arthropods Included in this
Program will be Non-Insects
• Metamorphosis type: ‘None’
• Mouthpart Types---will depend on which
group is shown. Some will be ‘sucking’, some
‘chewing’ and still others can be ‘both’.
• *Review ‘100 Common Insects…’ and the Fact
Sheets on New Arthropods for features and
details.
Arthropoda: Class Chilopoda (Centipedes)
•Metamorphosis: None
•Desert centipede – Scolopendra sp.
Mouthparts: Chewing
House centipede – Scutigera coleoptrata
Both Photos: D.B. Richman, NMSU
Arthropoda: Class Diplopoda (Millipedes)
•Metamorphosis: None
Mouthparts: Chewing
•E.g. Orthoporus ornatus – adults usually over 4” long
Photo: D.B. Richman, NMSU
Arthropoda: Class Crustacea
Order Isopoda – Sowbug
Metamorphosis: None
Photo: D.B. Richman
Mouthparts: Chewing
Photo: Coll Ag, Univ KY, edu
Arthropoda: Class Arachnida
•Order Acari --- Soft Tick
•Metamorphosis: None
Mouthparts: Sucking
Photo: Mat Pound, USDA-ARS, bugwood.org
Argas sp., fowl ticks, far left & center
Otobius sp., spinose ear ticks, right
Photos: CA Sutherland, NMSU Photo: Mat Pound, USDA-ARS, bugwood.org
Arthropoda: Class Arachnida
• O. Acari – Hard tick
• Metamorphosis: None
Brown dog tick, Rhipicephalus sanguineus.
Photo: A. Pauvolid-Correa, Fundacao Oswaldo Cruz, bugwood.org
Mouthparts: Sucking
Rhipicephalus sanguineus, brown dog tick.
Engorged female (left), male (top center),
nymph, larva; compare to sesame seed for size.
Photo: CALS, Cornell.edu.
Arthropoda: Class Arachnida
• Order Scorpiones - Scorpion
•Metamorphosis: None
Mouthparts: Chewing & Sucking
•Bark Scorpion, Centruroides vittatus
Photo: D. B. Richman, NMSU
Arthropoda: Class Arachnida
Order Uropygi – Whipscorpion
Metamorphosis: None
Mouthparts: Chewing & Sucking
Mastigoproctus giganteus, the vinegarone or vinegaroon
Photo: D. B. Richman, NMSU
Arthropoda: Class Arachnida
Order Araneae---Violin Spider.
Metamorphosis: None
Mouthparts: Chewing & Sucking
Apache violin spider
Photo: D. B. Richman, NMSU
Arthropoda: Class Arachnida
Order Araneae---Widow Spider.
Metamorphosis: None Mouthparts: Chewing & Sucking
Photo: D. B. Richman, NMSU
Western Black Widow, Latrodectus hesperus
Arthropoda: Class Arachnida
Order Araneae – Jumping Spider
Metamorphosis: None
Mouthparts: Chewing & Sucking
All Photos: D.B. Richman, NMSU
Other Non-Insect Arthropods Exist
• But Master These First!
• Now, onward to the Insects!
Photo: D. B. Richman, NMSU