I have a theory that the wiliwili trees skin/bark adopt to the sun’s UV by turning orange like human skin. Younger plants have greenish bark. When they get older, the bark gradually turn orange. I have noted that parts of plants: trunk and branches that are not protected by shade from its one canopy and … More Can plants get sunburned?
Quadrastichus erythrinae, erythrina gall wasp larvae, very very small. Found on one of my house wiliwili trees. I dissected a galling leaf stem about 1/2″ long and there were about 5 to ten larvae inside. Only manage to save one to photograph.
The cutting of a wiliwili tree branch from an old tree lives on. My successful experiment with propagation of an older wiliwili branch validates the resiliency of this species. In my previous post “Downed Wiliwili Branch Lives On”, the span between the downing of that large branch sometime prior to 2011.11.09 until 2012.3.5, when the … More it lives
Trees in this gulch and adjacent Luahina Gulch has been surveyed and located. This is my second visit to these trees, first time was September 2010 . Both of these gulches are in the Kohala Watershed Partnership Pelekane Bay Restoration Project just north of Pu’u Kawaiwai. The trees are in a fenced area so they … More waiakamali gulch wiliwili trees
This photo was taken 2011.11.09 showing an older lone tree with a large branch damaged and downed by wind. This must have occurred sometime during 2011. When visited again on 2012.03.5, branches are still alive as evident by their greenish color. Cut samples show bark and cross-section of some branches are still moist and green. … More downed wiliwili branch lives on
wiliwili tree ring count: Tree Diameter: 54cm ring count: 310 @ 14cm
Common names: erythrina gall wasp, erythrina gall wasp (EGW) Taxonomic name: Quadrastichus erythrinae Kim Life Cycle Stages: Lifecycle stages Studies conducted by the Hawaii Department of Agriculture (HDOA) on Erythrina gall wasp (Quadrastichus erythrinae) indicate a life cycle (egg to adult) of about 20 days. A one-day old female wasp contains about 60 mature eggs … More wiliwili tree pests life cycle