Triterpene saponins in the defensive secretion of a chrysomelid
beetle, Platyphora ligata.
Itioka 2008 Survival of flower-visiting chrysomelids
during non general-flowering periods in Bornean dipterocarp forests.
beetles effective agents for biological control of weeds?
First records of Chrysomelidae (Insecta, Coleoptera) on blueberries in Argentina: new associations between native chrysomelids
and an exotic crop
Speciation patterns of invertebrates have been, in contrast, much less studied, and only recently have genetic studies been conducted on Coleoptera such as the tenebrionid Stomium (Finston & Peck 1995), the chrysomelid
Nesaecrepidia (Verdyck & Desender 1999), the carabid Calosoma (Desender & Verdyck 2000; Verdyck et al.
While in Nepal they discovered an iridescent chrysomelid
leaf beetle that feeds on the leaves of skunk vine both as a larva and an adult and appears to be related to the chrysomelid
beetle that successfully controlled klamath weed (St.
To an insect ecologist like Olson, the leaves of the forest represent food for "caterpillars, spangled chrysomelid
beetles, cone-headed katydids, glossy sawfly larvae, night-feeding tropical June bug beetles and thousands of other canopy herbivores".
Significant damage may also be caused by some groups of hymenopterans whose larvae develop within the tissues of the tree, such as sawflies (Tenthredinidae) and horntails (Siricidae), or by the chrysomelid
larvae of leaf beetles (family Chrysomelidae).
salicaria growing in Myrica thickets were less damaged by herbivores, had a lower abundance of the monophagous, leaf-feeding, chrysomelid
beetle Galerucella calmariensis, and had higher flower and seed production than L.
beetles can irrupt and defoliate goldenrods (Solidago spp.
Field experiments on the effects of grazing by a Chrysomelid
beetle (Gastrophysa viridula) on seed production and quality in Rumex obtusifolius and Rumex crispus.
The parasitoids and chrysomelid
beetles were preserved in 70% ethanol and sent to Dr.
beetle Gastrophysa viridula ate more tissue on species of Rumex infected by Uromyces rumicis but had increased time for development and higher mortality than on uninfected plants (Hatcher, 1995).
These compounds are toxic or repellent to herbivorous insects, and in Bursera they decrease the survival and growth of their specialized herbivores, the chrysomelid
genus Blepharida (Becerra, 1994; Becerra et al.
Interactions between the Chrysomelid
beetle Gastrophysa viridula, the weed Rumex obtusifolius, and the herbicide asulam.