INDEX 



305 



cocoons, 14, 16, 33, 238 (figs.), 246 



(fig.) 

 powder, 14, 33 

 collection data, 253 

 color pattern, adults, 37 

 larvae, 18, 32, 39, 41 



special terminology for M. 

 californicum, 44 

 terminology, 43, 210 (fig.) 

 common names, 289 

 control of outbreaks, disease, 9 

 general public, 12 

 parasites, 9 

 starvation, 9 

 weather, 9 

 constricta, Clisiocampa, 93, 286, 287 



Malacosoma, 93, 173 

 constrictina, Clisiocampa fragilis var., 

 160, 173 

 Clisiocampa incurva var., 1 73 

 Malacosoma fragilis, 1 60, 1 73 

 Malacosoma fragilis azteca ab., 



173 

 Malacosoma fragilis incurva form, 

 173. 

 constrictum, Malacosoma constric- 

 tum. 



See Malacosoma constrictum 

 constrictum. 

 constrictum, Malacosoma. ^9^1? Mala- 

 cosoma constrictum. 

 crosses, experimental, 47 



damage, Malacosoma, 8-14 



aesthetic, 11,12 



basal area growth reduction, 1 1 



defoliation, 1 0, 1 1 



mortality, 1 1 



outbreaks, 8-10 



stopping trains, 11,12 

 decipiens, Clisiocampa, 1 1 1 

 defoliation, 8 



See also "economic importance" 

 for each species, 

 developmental rates, 58, 119, 120 



bog pluviale and lutescens, 61 



male and female differences, 59 



diapause, 13 



Dicogaster, 67 



discolorata, Clisiocampa mus var., 



177, 181 

 Malacosoma fragilis incurva var., 



177 

 Malacosoma fragilis mus form, 



177 

 discoloratum, Malacosoma incurvum. 



See Malacosoma incurvum dis- 

 coloratum. 

 discoloratum, Malacosoma mus var., 



181 

 disease, 9, 17, 18, 30, 33, 47, 49, 51 

 disstria, Clisiocampa, 84, 102 

 disstria, Malacosoma. See Malacosoma 



disstria. 

 dormancy, 13 

 drupacearum, Bombyx, 123, 285 



eastern tent caterpillar. See Mala- 

 cosoma americanum. 

 economic importance, 8 

 egg masses, 13, 16, 20, 24, 25, 48, 57 

 abnormal, definition, 50 

 clasping type, 24, 157 

 helical type, 24, 188 

 infertile eggs, 60 

 normal, definition, 50 

 on dead twigs, 106, 107 

 palearctic species, 188 

 spumaline 



"specks," 21, 122, 130, 132, 

 133, 134, 182, 188, 209 

 (map), 221 (fig.) 

 1960 Fi, definition, 51, 52 

 (table), 56, 64, 65 



1960 F2, definition, b\, 63 



1961 Fi, definition, 51, 65 

 egg parasites, 291 



Encyrtidae, 293 



Eulophidae, 292 



Eupelmidae, 292 



Pteromalidae, 293 



Scelionidae, 292 

 embryological development, 1 3 

 emergence, 14 



