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Featured researches published by Adil M. Mayyasi.


Population Ecology | 1976

Mathematical description of within-tree distributions of the various developmental stages ofDendroctonus frontalis Zimm. (Coleoptera: Scolytidae)

Adil M. Mayyasi; Paul E. Pulley; Robert N. Coulson; D. W. DeMichele; John L. Foltz

Probability density functions for the various within-tree developmental life stages ofD. frontalis are derived. The differences between some of these distributions are discussed. The possibility of the existence of a negative feed-back mechanism which enables the beetle to make optimum utilization of the available resources is proposed. In addition, the concept of an optimum location on the infested bole where the environmental (tree) conditions are such that maximum survivorship occurs is advanced.


Canadian Entomologist | 1976

RESOURCE UTILIZATION BY THE SOUTHERN PINE BEETLE, DENDROCTONUS FRONTALIS (COLEOPTERA: SCOLYTIDAE)

Robert N. Coulson; Adil M. Mayyasi; John L. Foltz; Fred P. Hain; William C. Martin


Environmental Entomology | 1976

Interspecific Competition Between Monochamus titillator and Dendroctonus frontalis

Robert N. Coulson; Adil M. Mayyasi; John L. Foltz; Fred P. Hain


Canadian Entomologist | 1977

SAMPLING PROCEDURES FOR WITHIN-TREE ATTACKING ADULT POPULATIONS OF THE SOUTHERN PINE BEETLE, DENDROCTONUS FRONTALIS (COLEOPTERA: SCOLYTIDAE)

Paul E. Pulley; John L. Foltz; Adil M. Mayyasi; Robert N. Coulson; William C. Martin


Canadian Entomologist | 1976

FUNCTIONAL DESCRIPTION OF WITHIN-TREE LARVAL AND PROGENY ADULT POPULATIONS OF DENDROCTONUS FRONTALIS (COLEOPTERA: SCOLYTIDAE)

Adil M. Mayyasi; Robert N. Coulson; John L. Foltz; Fred P. Hain; William C. Martin


Environmental Entomology | 1976

Topological Mapping to Estimate Numbers of Bark-inhabiting Insects

Paul E. Pulley; John L. Foltz; Adil M. Mayyasi; Robert N. Coulson


Canadian Entomologist | 1976

EGG – GALLERY LENGTH RELATIONSHIP AND WITHIN-TREE ANALYSES FOR THE SOUTHERN PINE BEETLE, DENDROCTONUS FRONTALIS (COLEOPTERA: SCOLYTIDAE)

John L. Foltz; Adil M. Mayyasi; Fred P. Hain; Robert N. Coulson; William C. Martin


Journal of Economic Entomology | 1975

Quantitative Evaluation of Frontalure and Cacodylic Acid Treatment Effects on Within-Tree Populations of the Southern Pine Beetle

Robert N. Coulson; John L. Foltz; Adil M. Mayyasi; Fred P. Hain


Environmental Entomology | 1976

Production Flow System Evaluation of Within-tree Populations of Dendroctonus frontalis (Coleoptera: Scolytidae)

Robert N. Coulson; Adil M. Mayyasi; John L. Foltz; Paul E. Pulley


Environmental Entomology | 1976

Host-tree Geometric Models for Use in Southern Pine Beetle Population Studies

John L. Foltz; Adil M. Mayyasi; Robert N. Coulson; Paul E. Pulley; William C. Martin

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