Rhyacionia rigidana (Fern.) 



Food plant: Red pine. 



Occurrence: Croton Falls, N. Y. 



Totals received: Three collections of 156 larvae and pupae. 



Larvae: May to July. 



Pupae: July to spring. 



Adults: April and May. 



Parasites : 



Hymenoptera: 



Calliephialtes comstockii (Cress.) . 



Eurytoma sp 



Glypta varipes Cress 



Habrocytus thyridopterigis How_. 

 Perilampus fulvicornis Ashm 



Rhyacionia frustrana (Comst.) Nantucket pine moth 



Food plants : Pitch pine, short leaf pine. 



Occurrence: Marthas Vineyard, Nantucket, Mass., and South 

 Dennis, N. J. 



Totals received: Collections, 9; larvae and pupae, 683; years, 5. 



Larvae: New England — May and June. 



Pupae: New England — July to spring. 



Adults: New England — May and June. New Jersey — mid-April 

 to' May, and July. 



Generations: New England, one; vicinity of New Jersey, two. 



Parasites : 



Diptera: 



Lixophaga mediocris Aid 



Hymenoptera: 



Agathis pini Mues 



Bracon gemmaecola (C^ush.) 



Calliephialtes comstockii (Cress.) 



Campoplex fruslranae Cush 



Copidosoma geniculatum (Dalm.) (?) , 



Cremastus epagoges Cush 



Eupelmus cyaniceps amicus Grit 



Eurytoma tylodermalis Ashm 



Glypta varipes Cress 



Goniozus n. sp 



Haltichella rhyacioniae Gah 



Hyssopus thymus Grit 



Itoplectis conquisitor (Say) 



Microgaster epagoges Gah 



Scambus sp 



Tetrastichus marylandensis (Grlt.)_-- 

 T. varicornis (Grit.) 



Petrova comstockiana (Fern.) pitch twig moth 



Food plants: Pitch, red, and Scotch pines. 



Occurrence: Massachusetts. 



Totals received: Collections, 5; larvae and pupae, 60; years, 



Larvae: July to spring. 



Pupae: May and June. 



Adults: June. 



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