MECOPTERA

1
MECOPTERA (scorpionflies)
SIPHONAPTERA (fleas)
2
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
- Trichoptera
Wings with hairs
3
Hexapod Orders
Mecoptera
Mecos - long, ptera - wing
Number of Species
500
Common names
Scorpionflies
Typical habitats
Forests
Distinguishing characteristics
-mouthparts on a snout
-swollen terminal segment with stinger
Other features
4
Hexapod Orders
Siphonaptera
Siphon - tube, aptera - wingless
Number of Species
2,400
Common names
Fleas
Typical habitats
Ectoparasites of birds and mammals
Distinguishing characteristics
-wingless -parasites
-siphoning mouthparts -jumping legs
Other features
5
Fleas - Distinguishing Features
Wingless
Sucking mouthparts
Antennae retractible
Jumping legs
6
Fleas - Life Cycle
Pupal stage lasts 7 days
Larva feeds on organic matter for 24 days
Natural habitat
Eggs hatch in 4 days
Adult
Eggs drop off host
7
Flea Numbers
8
Fleas - Disease Transmission
Bubonic Plague (Black Death)
9
Fleas - Disease Transmission
Yerstis pestis
10
Fleas - Disease Transmission
11
Fleas - Disease Transmission