100 Wisconsin Academy of Sciences, Arts^ and Letters, 
laricls, Chermes Hartig, (1837). Jahresb. Forst. und Forstl. Na- 
turk. im Jahre 1836 and 1837, pp. 643-648. 
Larix sp, 
laricis, Coccus (Bouche), Baerensprung, 1849. Zeit. Zool. Zoat. 
Paleoz. 1, p. 174. 
Larix sp. 
laricis, Eriosoma Mosely, 1841. Gardners Chronicle, p. 828. 
Larix sp. 
laricis, Lachnus Koch, 1857. Die Pflanzenlause Aphiden, p. 241, 
fig. 
Larix decidua. 
laricis, Lachnus Walker, 1848. Ann. Mag. Nat. Hist. ser. 2, 11, 
p. 102. Aphis. 
Larix decidua, L. sibirica. 
lasil, Tychea Cockerell, 1903. Psyche, X, p. 217. 
In ants’ nest. Pood plant not given. 
lata. Aphis Walker, 1850. The Zool. VII, p, 103, app. 
Senecio vulgaris. 
lataniae, Cerataphis (Boidsuval), 1867. Essai Ent. Hort., p. 355, 
fig. Coccus. 
Acorus calamus, Calamus sp., Cattleya loddigesii, Coelia albiflora, 
Cynoglossum sp., Cypripedium sp., DendroMum sp., Latania 
barhonica, Pritchardia sp., Sobralia sp., Vanda sp. 
lateralis, Aphis Walker, 1848. The Zool. VI, p. 2251. 
Prunus domestica, Senecio vulgaris. 
Prunus domestica, Senecio vulgaris. 
lathyri, Macrosiphum Moseley, Gardeners’ Chronicle, I, p. 684. 
Aphis. 
Lathyrus. 
latysiphon, Amphorohpora Davidson, 1912. Jour. Econ. Ent., V, 
p. 408, fig. 
Convolvulus arvensis. Vinca major. 
lavaterae. Aphis Kittel, 1827. Me. Soc. Linn. Paris, V, p. 154. 
Lavatera sp. 
laaarewi, Abamalelda Del Guercio, 1906. Redia, III, p. 364. 
Populus nigra, Quercus robur. 
