. Bulletin. Agriculture -- New Hampshire. 122 THE FOREST TENT CATERPILLAR. Fig. 49.—Baltimore Oriole attacking nest of American 'J Caterpillar. hairy caterpillars, being among the most destructive enemies of the common American Tent Caterpillar. (Fig. 49.) They should be encoura2:ed to nest and remain about the farm and garden. INSECT PARASITES The most numerous parasites of these caterpillars were the small two-winged flies called Tachina flies. At least three species ^ of these friendly insects were destroying the hosts of caterpillars. One of these flies is represented somewhat mag- 1
. Bulletin. Agriculture -- New Hampshire. 122 THE FOREST TENT CATERPILLAR. Fig. 49.—Baltimore Oriole attacking nest of American 'J Caterpillar. hairy caterpillars, being among the most destructive enemies of the common American Tent Caterpillar. (Fig. 49.) They should be encoura2:ed to nest and remain about the farm and garden. INSECT PARASITES The most numerous parasites of these caterpillars were the small two-winged flies called Tachina flies. At least three species ^ of these friendly insects were destroying the hosts of caterpillars. One of these flies is represented somewhat mag- 1 The three species were kindly determined by tlie Entomological Division of the U. S. Department of Agriculture as Tachina imlla Walk., Exorista ftitilis O. S., Front'nia frenchli Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New Hampshire Agricultural Experiment Station. [Hanover, N. H. ] : New Hampshire Agricultural Experiment Station
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