Host plant use of leaf beetles

Nathan Rank

Sonoma State University

Evolution of host plant preference
Host plant associations of leaf beetle species
(for references cited, seeTable 2 in Koepf et al. 1998)
Back to species and genes sampled.

For each beetle species, the following are indicated:

Recorded host plants
Chemical composition of the larval secretion of the beetle
- SA = salicylaldehyde derived from the host plant
- CM = autogeneous cyclopentanoid monoterpenes
Leaf trichomes for that host plant
Amount of phenolic compounds in host leaves

Chemical data were compiled by Riitta Julkunen-Tiitto.

Beetle species	Host plants	Larval secretion chemistry1	Leaf trichomes	Salicylates (mg/g)	Other non-tannic phenolics (mg/g)	Condensed tannins (mg/g)
C. vigintipunctata	Salix alba L.	SA	no*	< 5	< 5	> 50
	S. myrsinifolia		no*	> 20	< 5	10-50
	S. purpurea		no	> 20	< 5	10-50
	S. fragilis L.		no	< 5	< 5	< 10
G. viridula	Rumex obtusifolius	CM	no	0	unknown	unknown
L. aenea	Alnus incana	CM	yes	0	> 20	10-50
	A. glutinosa (L.) Gaertn.		yes*	0	> 20	10-50
P. atrovirens	Populus tremula	CM	no	5-20	< 5	10-50
P. aklaviki	S. alaxensis	CM	yes	0	< 5	> 50
P. laticollis	P. alba L.	CM	no	> 20	unknown	> 50
	P. tremula		no	5-20	< 5	10-50
	P. nigra L.		no	< 5	unknown	unknown
P. polaris	S. phylicifolia	CM	no	0	> 20	10-50
(willow)	S. herbacea L.		no	< 5	5-20	10-50
	S. polaris Wahlenb.		no	< 5	< 5	> 50
P. polaris (birch)	Betula pubescens	CM	no*	0	> 20	> 50
P. tibialis	S. purpurea	CM	no	> 20	< 5	10-50
	S. daphnoides Vill.		no*	5-20	5-20	> 50
P. vitellinae	P. tremula	SA	no	5-20	< 5	10-50
	S. borealis (Fries)		yes	> 20	0	< 10
	S. eleagnos		yes	5-20	< 5	unknown
	S. myrsinifolia		no*	> 20	< 5	10-50
	S. fragilis		no	< 5	< 5	< 10
	S. pentandra L.		no	> 20	< 5	10-50
	S. purpurea		no	> 20	< 5	10-50
P. vulgatissima	S. aurita L.	CM	yes	< 5	< 5	10-50
	S. caprea L		yes	< 5	5-20	> 50
	S. cinerea L.		yes	< 5	< 5	> 50
	S. viminalis L.		yes	< 5	5-20	> 50

*trichomes only present in juvenile leaves.

Introduction

Species & Genes Sampled

Results & Conclusions

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January 23, 1999 NER