Table 1 Comparison between damping ratios of wings in the different treatment groups.

From: The damping and structural properties of dragonfly and damselfly wings during dynamic movement

Comparison

nat. vs. rel.

nat vs. con.

natural vs. fix.

fixed vs. c(f)

c(f) vs. c(10)

c(f) vs. dry

dry vs. rehyd.

c(f) vs. rehyd.

natural vs. relaxed

natural vs. contracted

natural vs. fixed

fixed vs. freshly cut

freshly cut vs. 10 min cut

freshly cut vs. dry

dry vs. rehydrated

freshly cut vs. rehydrated

Influencial factor

muscle

muscle

wing hinge

hemolymph pressure

hemolymph presence

desiccation

solution influence

solution influence

species

wing

        

Aeshna cyanea

fw

×

×

×

×

×

✓

✓

✓

hw

×

×

×

×

×

✓

✓

×

Calopteryx splendens

fw

×

×

✓

×

×

✓

✓

×

hw

×

×

✓

×

×

✓

✓

×

Ischnura elegans

fw

×

×

✓

×

×

×

×

×

hw

×

×

✓

×

×

×

×

×

Sympetrum striolatum

fw

✓

✓

✓

×

×

✓

✓

×

hw

×

✓

✓

×

×

✓

✓

×

  1. The symbols ✓ and × indicate the presence and absence of a significant difference between the two treatment groups, respectively. fw forewing, hw hindwing.