INDEX 



311 



Malacosoma — continued 



constrictum constrictum — cont. 

 mature larvae, 95 

 larval diagnosis, 96 

 egg masses, 96 

 tents, 96 

 cocoons, 97 

 food plants, 97 

 distribution, 97 

 economic importance, 97 

 specimens examined, 98 

 intermediate populations, 98 

 damage, 8-14 



aesthetic, 11,12 



basal area growth reduction, 



11 

 defoliation, 1 0, 1 1 

 mortality, 1 1 

 outbreaks, 8-10 

 stopping trains, 11,12 

 disstria, 84, A, 7, 8, 11, 15,24,26, 

 27, 28, 32, 33, 35, 36, 40, 41, 

 49, 50, 60, 66, 69 (key, males), 

 73 (key, females), 77 (key, lar- 

 vae), 83 (key, egg masses), 93, 

 94, 95, 96, 97, 103, 104, 106, 

 107, 109, 116, 117, 118, 126, 

 138, 140, 149, 150, 153, 161, 

 170, 171, 172, 174, 179, 180, 

 188, 189, 190, 255 (coll. data), 

 202 (map), 212-219 (figs., ter- 

 minalia), 217 (figs.), 221 (figs., 

 eggs), 222 (figs., adults), 2 

 (fig., cocoon), 242 (figs., defoli- 

 ation, cocoons, larvae), 248 

 (figs., larvae), 284, 288, 289, 

 292, 293, 296, 299 

 adult males, 85 

 male terminalia, 85 

 adult females, 86 

 female terminalia, 86 

 adult diagnosis, 86 

 mature larvae, 88 

 larval diagnosis, 88 

 egg masses, 89 

 tents, 89 



Malacosoma — continued 

 disstria — continued 

 cocoons, 89 

 food plants, 89 

 distribution, 90 

 economic importance, 90 

 comments, 90 

 specimens examined, 91 

 larval reaction to heat, 28 

 stopping trains, 11, 12 

 disstria ab. anita, 85 

 disstria ab. astriata, 85 

 disstria erosa, 85 

 disstria erosa form perversa, 85 

 disstria erosa form sylvaticoides, 



85 

 disstria erosa form thoracica, 85 

 disstria erosum, 85 

 disstria erosum form thoracica, 85 

 disstria form anita, 85 

 disstria form astriata, 85 

 disstria form erosa, 102 

 disstria form sylvatica, 85 

 disstria form thoracicoides, 85 

 disstria perversa, 85 

 disstria sylvatica, 85 

 disstria sylvaticoides, 85 

 disstria thoracica, 85 

 disstria thoracicoides, 85 

 fragUe, 5, 6, 52 (table), 64, 67, 

 123, 148, 162, 164, 167, 181, 

 289 

 fragile lutescens, 4, 60 

 fragile var. lutescens, 1 62 

 fragilis, 67, 123, 148, 152, 164, 



167 

 fragilis azteca, 183 

 fragilis azteca ab. constrictina, 



173 

 fragilis constrictina, 160, 173 

 fragilis form lutescens, 160 

 fragilis incurva, 173, 177 

 fragilis incurva form constrictina, 



173 

 fragilis incuiva var. discolorata, 

 177 



