Megaloptera Life cycle
Lay eggs in water to protect from predators
10 to 11 instars
Length of time within Larvae and instars 1 to 4 years
Have formattable mandibles
After the last instar, they leave the water and crawl till they encounter rock and burrow under and form into pupal.
14-21 days till complete Pupal stage.
Corydualus cornutus
Non-aggressive
Active during night
Use their mandibles to hold female in place when mating
Megaloptera
Occur over edges of lakes
Temporary streams
Corydalidae Chaulidoes
Body size is between 20 to 90 mm
Lateral Filaments
Gill tufts
Filaments only function when out of the water
Respiratory tubes
Corydalidae
Function when oxygen content is low
Pair of terminal proleg
terminal hooks or claws
Sialidae
Scorpion (conspicuous) like terminal filament
Lateral Filament
Emerge in mid-spring
Yellowish amber-like Thorax
Sialidae
Some emerge far away from shore to pupae
They supplemental food source for invertebrates
Neuropteran: Sisyridae medical importance
They can be used as a natural biocontrol for bugs that damage a garden.
Feeding stylets used to pierce the skin of animals and suck th flood.
Neuropteran Life Cycle
Adult oviposit over water - on vegetation
Aquatic spongilifly
Naugatuck River, Thomaston
Develop a prepupae stage and develop over winter
Breath through cuticle region
Preyed upon during pupae stages