340 ENTOMOLOGICAL SOCIETY 



EUROPEAN SPECIES. 



Species. food-Plant. Authority. 



L. paraplecticus L Anthriscus cersefolium Zetterstedt. 



Phellandrium aquaticum. Kaltenbach. 



L. iridis Oliv Cicuta virosa Bargagli. 



Pastinacea sativa ...Bargagli. 



L. anguinus L Brassica oleracea Bargagli. 



L. mucronatus Oliv Slum latifolium Dufour. 



L. cvlindrus F Artemisia campestris Ghiliani. 



L. ascanii L Beta vulgaris Bargagli. 



Sisymbrium sophia Bargagli. 



L. myagri Oliv Sisymbrium aquaticum Letzner. 



L. algirus Malva silvestris and other 



Malvaceae Ferris. 



L. cylindricus Hbst Rumex hydrolaphatum.... DieckhofF. 



Rumex acetosa Bargagli. 



Cicuta virosa Marseul. 



L. bicolor Oliv. Senecio aquaticus Goureau. 



Geraniaceous plant Grenier. 



L. elongatus Germ Senecio jacobsea. Bargagli. 



L. junci Boh Beta cicla Rosenhauer. 



L. polliriosus Germ Onopordon acanthium Bargagli. 



L. filiformis F Cynara ferox Bargagli. 



Cynara eryophorus Bargagli. 



L. cribricollis Boh Rumex acetosa Bellevoye. 



Vicia faba Bargagli. 



AMERICAN SPECIES. 



L. rubellus Rand Polygonum amphibium (?)... Lintner. 



L. parcus Lee Amelanchier. Riley. 



L. terminalis Lee Polygonum pennsylvanicum. Forbes. 



L. mucidus Lee Rumex crispus Weed. 



L. scrobicollis Boh Ambrosia artemisizefolia Hopkins. 



Ambrosia trifida Hopkins. 



L. concavus Say Rheum rhaponticum Glover. 



Helianthus grosse-serratus.... Webster. 



L. musculus Say Polygonum amphibium Kellicott. 



L. macer Lee Helianthus grosse-serratus....Coquillett. to 



Webster. 



Chenopodium hybridum Riley. 



From the records it appears that some of the species are semi- 

 aquatic, viz., L. rubellus in our fauna and several European 

 species ; the larvae of most species are boring in the stems of 



