Date of Award:

5-1-1982

Document Type:

Dissertation

Degree Name:

Doctor of Philosophy (PhD)

Department:

Biology

Department name when degree awarded

Life Sciences:Biology

Committee Chair(s)

Wilford J. Hanson

Committee

Wilford J. Hanson

Committee

George E. Bohart

Committee

Donald W. Davis

Committee

B. Austin Haws

Committee

David L. Turner

Committee

Frank D. Parker

Abstract

Twenty-eight species of Euodynerus Dalla Torre are recognized from the Nearctic Region, of which one is Holarctic. Literature on the biology of fourteen species is reviewed and new biological information discussed for four species. The phylogenetic relationships of the genus Euodynerus to other genera and the classification and relationships of the species of Euodynerus are discussed. Seven subgenera are recognized of which four are new: Euodynerus, Pareuodynerus Bluethgen, Leucodynerus Bohart, Annodynerus new subgenus, Gonodynerus n. subgenus, Holodynerus n. subgenus and Plecodynerus n. subgenus. Their comparative morphology, phylogeny, and distribution are discussed. Larval instars of E. hidalgo (Saussure), E. scutellaris (Saussure), E. notatus (Jurine) and mature larva of E. pratensis (Saussure) and E. congressus (Viereck) are compared. Keys, descriptions, illustrations, synonymical names, variation within species and distribution maps are presented. The male of E. megaera (Lepeletier) and the female of E. delicatus (Cresson) and E. digiticornis (Bohart) are newly described. The following names are newly synonymized: E. alvarado alvarado (Saussure), E. alvarado safranus (Bohart), E. annulatus arvensis (Saussure), E. annulatus evectus (Cresson), E. annulatus imperialis (Bohart) and E. annulatus sulphureus,(Saussure) = E. annulatus (Say), E. provisoris (Viereck), E. tempiferus tempiferus (Viereck), E. tempiferus birepandus (Bohart), E. tempiferus eldoradensis (Rohwer), E. tempiferus pritchardi (Bequaert), and E. tempiferus subrubeus (Bohart) = E. annectens (Saussure), E. auranus albivestis (Bohart), E. auranus equilus (Bohart) and E. auranus azotopus (Bohart)= E. auranus (Cameron), E. barberi (Bohart)= E. cluniculus (Saussure), E. boscii boharti (Krombein), E. b. molestus (Saussure) and E. guerrero (Saussure)= E. boscii (Lepeletier), E. castigatus rubrivestis (Bohart) and E. c. sanneovestis (Bohart)= E. castigatus, E. crypticus balteatus (Say) and E. crypticus stricklandi (Bequaert) = E. crypticus (Say), Odynerus orasus Camerson = E. delicatus (Cresson), E. exoglyphus albovittatus (Bohart)= E. exoglyphus (Bohart), E. schwarzi (Krombein) = E. foraminatus (Saussure), E. foraminatus aequalis (Cameron), O. santafeae (Cameron) and E. foraminatus blakeanus (Cameron)= E. scutellaris (Saussure), E. leucomelas leucomelas (Saussure), and E. l. oregonensis (Bohart), E. foraminatus apopkensis (Robertson) and E. f. parvirudis (Bohart)= E. notatus (Jurine), E. hidalgo viereckii (Cameron) and E. hidalgo boreoorientalis (Bequaert) = E. hidalgo (Saussure), E. pratensis brumalis (Bequaert) = E. pratensis (Saussure). E. foraminatus scutellaris is raised from subspecies to species status.

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