Protrusion like the horn of Sympetrum croceolum
The final renewal day of this page is January 28, 2005.
1,2:Prolarva begins to appear from the egg (Place where a protrusion like the horn appears is shining white) 3:First instar larva appears from the prolarva 4:First instar larva 5:Protrusion like the horn of the head (The size of 2 times of other images)