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Genus Astata

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On the subfamily Astatinae. Part VII. The genus Diploplectron Fox (Hymenoptera: Specidae)
By F.D. Parker
Ann. Entomol. Soc. Am. 65(5): 1192-1203, 1972
Key to species of Diploplectron with species discriptions, pictures of characters and range maps.

Eighteen species Diploplectron are recognized; 15 species from the New World are keyed, described, discussed, and their relationships are evaluated. The biology of the genus is summarized, and new information on nesting habits and prey records are presented for D. peglowi Krombein, D. fossor Rohwer, and D. vierecki Pate. NEW SYNONYMY includes: D. rufoantennatum Rohwer placed under D. fossor Rohwer; D. rclativum Rohwer, D. cressoni Rohwer, and D. ashmeadi Rohwer placed under D. ferrugineum Ashmead. D. beccum, D. sierrense, D. californicum, D. neotropicum, D. irwini, D. secoense, and D. orizabense are new to science.

Sphecid wasps of the world: a generic revision
By Richard Mitchell Bohart, Arnold S. Menke
University of California Press, 1976
This is an excellent reference work!! The entire masterly obra magnum (675+ pages!) can be read beginning at the link below:

...provided courtesy of the "Internet Archive".

Thanks to Jeff for pointing to this link, which provides access to the entire work...unlike the incomplete coverage available at the Google Books link I had originally posted here.

Trap-nesting wasps and bees: life histories, nests, and associates
By Krombein K.V.
Smithsonian Press, Washington, DC. vi+570 pp., 1967

Wasps: Their Biology, Diversity, and Role as Beneficial Insects and Pollinators of Native Plants
By Heather N. Holm
Pollination Press LLC; First edition, 2021

The Sting of the Wild: The Story of the Man Who Got Stung for Science
By Justin O. Schmidt
John Hopkins University Press: Baltimore, MD, 2016
This book is useful in dispelling myths about broad groups (particularly the oft-maligned Mutillidae). The Appendix contains the rankings for 83 species and includes all ranked species. It's also worth noting that this does mean that the majority of species are unranked, so caution should be taken in creating sweeping claims (as often done on rather erroneous Internet memes).

Molecular phylogenetics of Vespoidea indicate paraphyly of the superfamily...
By Pilgrim E.M., von Dohlen C.D., Pitts J.P.
Zoologica Scripta 37: 539–560, 2008
Full title: Molecular phylogenetics of Vespoidea indicate paraphyly of the superfamily and novel relationships of its component families and subfamilies


Identifying the sister group to the bees: a molecular phylogeny of Aculeata with an emphasis on the superfamily Apoidea
By Debevec A.H., Cardinal S., Danforth B.N.
Zoologica Scripta 41: 527-535, 2012

The Wasps and Bees of the Bimini Island Group, Bahamas, British West Indies (Hymenoptera: Aculeata)
By Karl V. Krombein
American Museum Novitates, no. 1633: 1-29, 1953

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