OP 5 Gaige, F.M., 1914.
Results of the Mershon expedition to the Charity Islands, Lake Huron. The Formicidae of Charity Island. 29 pp. $2.30
OP 23 Cockerell, T.D.A., 1916.
Bees from the northern peninsula of Michigan. 10 pp. $0.90
OP 24 Cockerell, T.D.A. 1916.
Some bees from British Guiana. 3 pp. $0.50
OP 25 Gaige, F.M., 1916.
The Formicidae of the Shiras Expedition to Whitefish Point, Michigan, in 1914. 4 pp. $0.50
OP 41 Combs, A.F., 1917.
Notes on a collection of Odonata from Schoolcraft County, Michigan. 8 pp. $0.80
OP 48 Andrews, A.W., 1917.
Coleoptera collected in northeastern Nevada by the Walker-Newcomb Expedition of the University of Michigan. 3 pp. $0.50
OP 52 Williamson, E.B., 1918.
Results of the University of Michigan-Williamson Expedition to Colombia, 1916-1917, I: Two interesting new Colombian gomphines (Odonata). 18 pp., 2 plates. $1.45
OP 53 Andrews, A.W., 1918.
Diptera collected on Whitefish Point, Chippewa County, Michigan. 8 pp. $0.80
OP 54 McAlpine, W.S., 1918.
A collection of Lepidoptera from Whitefish Point, Michigan. 26 pp., 1 foldout map. $2.10
OP 55 Rogers, J.S., 1918.
A collection of Tipulidae from Schoolcraft County, Michigan. 4 pp. $0.50
OP 59 Williamson, E.B., 1918.
Results of the University of Michigan-Williamson Expedition to Colombia, 1916-1917, II: A new species of Agriogomphus (Odonata). 22 pp., 2 plates. $1.80
OP 61 Hine, J.S., 1918.
Notes on robber flies from southwest Texas, collected by the Bryant Walker Expedition, with a description of a new species of Erax. 7 pp. $0.80
OP 63 Williamson, E.B., 1919.
Results of the University of Michigan-Williamson Expedition to Colombia, 1916-1917, III: Archaeogomphus, a new genus of dragonflies (Odonata). 8 pp., 1 plate. $0.80
OP 68 Williamson, E.B., 1919.
Results of the University of Michigan-Williamson Expedition to Colombia, 1916-1917, IV: Notes on species of the genus Heteragrion Selys with descriptions of new species (Odonata). 89 pp., 12 plates. $7.10
OP 71 Parshley, H.M., 1919.
On some Hemiptera from western Canada. 35 pp. $2.80
OP 75 Hussey, R.F., 1919.
The waterbugs (Hemiptera) of the Douglas Lake region, Michigan. 23 pp. $1.85
OP 77 Williamson, E.B., 1920.
Results of the University of Michigan-Williamson Expedition to Colombia, 1916-1917, V: Notes on a few species of Progomphus (Odonata). 23 pp., 3 plates. $1.80
OP 80 Williamson, E.B., 1920.
A new gomphine genus from British Guiana with a note on the classification of the subfamily (Order Odonata). 14 pp., 1 plate. $1.10
OP 96 Williamson, E.B., 1921.
Two new neotropical genera of Lestinae (Odonata). 13 pp., 2 plates. $1.10
OP 108 Williamson, E.B., 1922.
Notes on Celithemis with descriptions of two new species (Odonata). 23 pp., 2 plates, 1 table. $1.80
OP 113 Hubbell, T.H., 1922.
Notes on the Orthoptera of North Dakota. 56 pp. $4.50
OP 114 Moore, S., 1922.
A list of northern Michigan Lepidoptera. 28 pp. $2.20
OP 115 Hussey, R.F., 1922.
On some Hemiptera from North Dakota. 23 pp. $1.80
OP 116 Hubbell, T.H., 1922.
The Dermaptera and Orthoptera of Berrien County, Michigan. 77 pp. $6.20
OP 118 Hussey, R.F., 1922.
Hemiptera from Berrien County, Michigan. 39 pp. $3.10
OP 121 Hine, J.S., 1922.
Some robberflies in the University of Michigan Museum of Zoology, and the description of a new species. 7 pp. $0.70
OP 127 Alexander, C.P., 1922.
New species of crane-flies from southern Indiana. 7 pp. $0.70
OP 130 Williamson, E.B., 1923.
Notes on the habitats of some tropical species of Hetaerina (Odonata). 46 pp. $3.70
OP 133 Chamberlin, R.V., 1923.
Results of the Bryant Walker Expeditions of the University of Michigan to Colombia, 1913, and British Guiana, 1914: The Diplopoda. 145 pp., 30 plates. $11.60
OP 134 Williamson, E.B., 1923.
A new species of Archaeogomphus (Odonata). 11 pp., 1 plate. $1.00
OP 154 Williamson, E.B. and J.H. Williamson, 1924.
A remarkable new genus of Coenagrionidae from Brazil, with descriptions of three new species (Odonata). 24 pp., 1 plate. $1.90
OP 162 Hine, J.S., 1925.
Tabanidae of Mexico, Central America and the West Indies. 35 pp. $2.80
OP 183 Byers, C.F., 1927.
An annotated list of the Odonata of Michigan. 16 pp., 1 map. $1.30
OP 190 Drake, C.J., 1928.
Some Tingitidae (Heteroptera) from Honduras. 5 pp., 1 figure. $0.60
OP 197 Hubbell, T.H. and F.W. Walker, 1928.
A new shrub-inhabiting species of Schistocerca from Florida. 12 pp., 1 plate. $1.00
OP 214 Moore, S., 1930.
Lepidoptera of the Beaver Islands. 28 pp. $2.20
OP 215 Rogers, J.S., 1930.
The summer crane-fly fauna of the Cumberland Plateau in Tennessee. 60 pp., 5 plates. $4.80
OP 216 Williamson, E.B. and J.H. Williamson, 1930.
Five new Mexican dragonflies (Odonata). 40 pp., 3 plates. $3.20
OP 218 Williamson, E.B. and J.H. Williamson, 1930.
Two new neotropical Aeshnines (Odonata). 17 pp., 1 plate. $1.35
OP 225 Williamson, E.B., 1931.
A new North American Somatochlora (Odonata-Cordulinae). 9 pp., 1 plate. $0.90
OP 240 Williamson, E.B., 1932.
Dragonflies collected in Missouri. 40 pp. $3.20
OP 247 Williamson, E.B., 1932.
Two new species of Stylurus (Odonata--Gomphinae). 19 pp., 1 plate. $1.50
OP 261 Bird, R.D., 1933.
Somatochlora ozarkensis, a new species from Oklahoma (Odonata-Cordulinae). 8 pp., 1 plate. $0.80
OP 262 Williamson, E.B. and L.K. Gloyd, 1933.
A new Somatochlora from Florida (Odonata-Cordulinae). 8 pp., 1 plate. $0.80
OP 264 Williamson, E.B., 1933.
The status of Sympetrum assimilatum (Uhler) and Sympetrum decisum (Hagen) (Odonata-Libellulinae). 9 pp., 1 plate. $0.90
OP 268 Rogers, J.S., 1933.
Contributions toward a knowledge of the natural history and immature stages of the crane-flies. I. The genus Polymera Weidemann. 17 pp., 2 plates. $1.35
OP 274 Gloyd, L.K., 1933.
A new corduline dragonfly, Tetragoneuria sepia, from Florida (Odonata). 5 pp., 3 figures. $0.60
OP 288 Williamson, E.B., 1934.
Dragonflies collected in Kentucky, Tennessee, North and South Carolina, and Georgia in 1931. 20 pp. $1.60
OP 291 Brown, C.J.D., 1934.
A preliminary list of Utah Odonata. 17 pp., 1 map. $1.35
OP 294 Byers, C.F., 1934.
Progomphus dorsopallidus, a new species from Venezuela (Odonata-Gomphinae). 9 pp., 2 plates. $0.90
OP 297 Leonard, J.W., 1934.
The naiad of Celithemis monomelaena Williamson (Odonata: Libellulidae). 5 pp., 3 figures, 2 tables. $0.60
OP 304 Bromley, S.W., 1935.
Notes on Texas robber flies with the description of a new species of Proctacanthella (Asilidae: Diptera). 7 pp. $0.70
OP 319 Pritchard, A.E., 1935.
Two new dragonflies of Oklahoma. 11 pp., 1 plate. $1.00
OP 326 Gloyd, L.K.
Three new North American species of Gomphinae (Odonata). 24 pp., 3 plates, 1 table. $1.90
OP 350 Hubbell, T.H., 1937.
A new apterous grouse-locust from western Florida (Orthoptera, Acrididae). 11 pp., 1 plate, 1 table. $1.00
OP 354 Leonard, J.W., 1937.
A new Anisagrion from Panama, with notes on related species (Odonata: Zygoptera). 11 pp., 2 plates, 1 figure. $1.00
OP 377 Gloyd, L.K., 1938.
A new species of the genus Libellula from Yucatan. 5 pp., 1 plate. $0.60
OP 378 Cowley, J. and L.K. Gloyd, 1938.
Redescription of the types of Protoneura tenuis Selys and a study of variation in this species. 27 pp., 5 plates, 2 tables. $2.20
OP 386 Steyskal, G.C., 1938.
New Stratiomyidae and Tetanoceridae (Diptera) from North America. 13 pp., 2 plates. $1.10
OP 389 Hubbell, T.H. and I.J. Cantrall, 1938.
A new species of Appalachia from Michigan (Orthoptera, Acrididae, Cyrtacanthacrinae). 23 pp., 1 plate, 1 figure, 2 tables. $1.80
OP 395 Moore, S. and G.W. Rawson, 1939.
A new noctuid from Michigan. 4 pp., 1 plate. $0.50
OP 408 Gloyd, L.K., 1939.
Two new species of Protoneura from South America (Odonata). 21 pp., 2 plates, 3 figures. $1.70
OP 410 Kennedy, C.H., 1939.
Protoneura macintyrei a new species of dragonfly from Ecuador (Odonata: Protoneurinae). 11 pp., 2 plates. $1.00
OP 411 Moore, S., 1939.
A list of the butterflies of Michigan. 23 pp., 1 map. $1.80
OP 414 Leonard, J.W., 1940.
Lanthus albistylus (Hagen), a new record for Michigan, with ecological notes on the species (Odonata: Gomphinae). 7 pp., 1 plate, 3 tables. $0.70
OP 415 Gloyd, L.K., 1940.
On the status of Gomphaeschna antilope (Hagen) (Odonata). 16 pp., 1 plate, 1 table. $1.30
OP 479 Gloyd, L.K., 1943.
Enallagma vernale, a new species of Odonata from Michigan. 9 pp., 1 plate. $0.90
OP 482 Gloyd, L.K., 1944.
A new species of Stylurus from Mexico (Odonata: Gomphinae). 6 pp., 1 plate. $0.60
OP 483 Gloyd, L.K., 1944.
A new species of Archilestes from Mexico (Odonata: Lestinae). 6 pp., 1 plate. $0.60
OP 489 Steyskal, G., 1944.
A new ant-attacking fly of the genus Pseudacteon, with a key to the females of the North American species (Diptera, Phoridae). 4 pp. $0.50
OP 501 Friauf, J.J., 1947.
Notes on two orthopteran gynandromorphs. 8 pp., 2 plates. $0.80
OP 502 Steyskal, G.C., 1947.
Micropezidae (Diptera) from the Solomon Islands. 11 pp., 1 plate, 1 figure. $1.00
OP 503 Berg, C.O., 1947.
Biology and metamorphosis of some Solomon Islands Diptera, Part I: Micropezidae and Neriidae. 20 pp., 3 plates, 1 figure. $1.60
OP 504 Sanderson, M.W., 1948.
Two undescribed species of Phyllophaga from Texas (Coleoptera; Scarabaeidae). 6 pp., 1 figure. $0.60
OP 509 Newman, J.H., 1948.
A new noctuid from Michigan and Tennessee (Lepidoptera). 6 pp., 2 plates. $0.60
OP 517 Sabrosky, C.W., 1949.
The North American heleomyzid genus Lutomyia, with description of a new species. 6 pp., 5 figures. $0.60
OP 520 Leonard, J.W. and F.A. Leonard, 1949.
Noteworthy records of caddis flies from Michigan, with descriptions of new species. 17 pp., 5 plates. $1.35
OP 521 Rogers, J.S., 1949.
The life history of Megistocera longipennis (Macquart) (Tipulidae, Diptera), a member of the Neuston fauna. 17 pp., 2 plates. $1.35
OP 522 Leonard, J.W. and F.A. Leonard, 1949.
An annotated list of Michigan Trichoptera. 35 pp., 1 figure. $2.80
OP 526 Young, F.N., 1950.
Two new species of Bidessus from the Apalachicola flatwoods of Florida (Coleoptera, Dytiscidae). 6 pp., 2 figures. $0.60
OP 527 Bromley, S.W., 1950.
Records and descriptions of Asilidae in the collection of the University of Michigan Museum of Zoology (Diptera). 5 pp. $0.60
OP 536 Drake, C.J. and R.F. Hussey, 1951.
An undescribed shore-bug from Mexico (Hemiptera: Saldidae). 3 pp. $0.50
OP 549 Young, F.N., 1953.
A new species of Hydrocanthus from Florida, with notes on other species of the genus (Coleoptera: Noteridae). 6 pp. $0.60
OP 550 Hussey, R.F., 1953.
Some new and little-known American Hemiptera. 12 pp., 7 figures. $1.00
OP 551 Steyskal, G.C., 1953.
A new Melissomimetic fly of the genus Microdon (Diptera, Syrphidae). 4 pp., 1 figure. $0.50
OP 552 Carvalho, J.C.M. and R.F. Hussey, 1954.
On a collection of Miridae (Hemiptera) from Paraguay, with descriptions of three new species. 11 pp., 8 figures. $1.00
OP 553 Drake, C.J. and F.C. Hottes, 1954.
Synonymic data and description of a new saldid (Hemiptera). 5 pp., 2 figures. $0.60
OP 556 Kannowski, P.B., 1954.
Notes on the ant Novomessor manni Wheeler and Creighton. 6 pp. $0.60
OP 562 Byers, G.W., 1955.
A new species of Boreus (Mecoptera: Boreidae) from Colorado. 4 pp., 5 figures. $0.50
OP 572 Rogers, J.S. and G.W. Byers, 1956.
The ecological distribution, life history, and immature stages of Lipsothrix sylvia (Diptera: Tipulidae). 14 pp., 7 figures. $1.10
OP 573 Steyskal, G.C., 1956.
The eastern species of Nemomydas Curran (Diptera: Mydaidae). 7 pp., 1 plate, 1 table. $0.70
OP 580 Drake, C.J. and R.F. Hussey, 1957.
Notes on some American Rhagovelia, with descriptions of two new species (Hemiptera: Veliidae). 9 pp., 1 plate, 7 figures. $0.90
OP 582 Byers, G.W., 1957.
The neotropical genus Pazius (Mecoptera: Bittacidae). 11 pp., 2 plates. $1.00
OP 588 Cohn, T.J., 1957.
The relationships of the North American genera Rehnia Caudell and Neobarrettia Rehn (Orthoptera: Tettigoniidae). 16 pp. $1.30
OP 593 Gloyd, L.K., 1958.
The dragonfly fauna of the Big Bend region of Trans-Pecos, Texas. 29 pp., 3 plates. $2.30
OP 604 Steyskal, G.C., 1959.
Dolichopus correus, new species, and notes on other Dolichopodidae (Diptera, Brachycera). 6 pp., 1 table, 9 figures. $0.60
OP 614 Eades, D.C., 1959.
A new species of Melanoplus southeastern United States (Orthoptera, Acrididae, Cyrtacanthacridinae). 11 pp., 4 figures, 2 tables. $1.00
OP 617 Moore, S., 1960.
A revised annotated list of the butterflies of Michigan. 39 pp., 1 plate, 1 figure. $3.10
OP 624 Ellis, R.J., 1962.
Adult caddisflies (Trichoptera) from Houghton Creek, Ogemaw County Michigan. 16 pp., 2 figures. $1.30
OP 626 Thomas, E.S. and R.D. Alexander, 1962.
Systematic and behavioral studies on the meadow grasshoppers of the Orchelimum concinnum group (Orthoptera: Tettigoniidae). 31 pp., 1 plate, 9 figures. $2.50
OP 628 Alexander, R.D. and W.L. Brown, Jr., 1962.
Mating behavior and the origin of insect wings. 19 pp., 1 figure. $1.50
OP 639 Lawrence, W.H., K.L. Hays, and S.A. Graham, 1965.
Arthropodous ectoparasites from some northern Michigan mammals. 7 pp. $0.70
OP 640 Mesa, A., 1965.
Caryology of four Chilean species of gryllacridoids of the genus Heteromallus (Orthoptera: Gryllacridoidea: Rhaphidophoridae). 13 pp., 4 plates, 1 table. $1.10
OP 653 Pace, A.E., 1967.
Life history and behavior of a fungus beetle, Bolitotherus cornutus (Tenebrionidae). 15 pp., 7 figures, 2 tables. $1.20
OP 658 Gloyd, L.K., 1968.
The union of Argia fumipennis (Burmeister, 1839) with Argia violacea (Hagen, 1861), and the recognition of three subspecies (Odonata). 6 pp., 1 map. $0.60
OP 662 Holzapfel, C.M., 1972.
Evolution in the Canary Islands III: Two new Arminda (Orthoptera; Acrididae; Catantopinae) from the Canary Islands, with notes on the Arminda brunneri complex on Tenerife. 16 pp., 6 figures, 2 tables. $1.30
OP 663 Holzapfel, C.M. and I.J. Cantrall, 1972.
Evolution in the Canary Islands V: The genus Calliphona (Orthoptera: Tettigoniidae). 22 pp., 13 figures, 2 tables. $1.80
OP 666 Ryker, L.C., 1972.
Acoustic behavior of four sympatric species of water scavenger beetles (Coleoptera, Hydrophilidae, Tropisternus). 19 pp., 7 figures, 5 tables. $1.50
OP 668 Gloyd, L.K., 1973.
The status of the generic names Gomphoides, Negomphoides, Progomphus, and Ammogomphus (Odonata: Gomphidae). 7 pp., 1 plate. $0.70
OP 670 Young, F.N., 1974.
Review of the predaceous water beetles of genus Anodocheilus (Coleoptera: Dytiscidae: Hydroporinae). 28 pp., 3 plates. $2.20
OP 677 Thornhill, R., 1977.
The comparative predatory and sexual behavior of hanging flies (Mecoptera: Bittacidae). 43 pp., 7 figures, 9 tables. $3.40
OP 681 Young, F.N., 1977.
Predaceous water beetles of the genus Neobidessus Young in the Americas north of Colombia (Coleoptera: Dytiscidae, Hydroporinae). 24 pp., 24 figures. $1.90
OP 694 Gloyd, L.K., 1980.
The taxonomic status of the genera Superlestes and Cyptolestes Williamson, 1921 (Odonata: Lestidae). 3 pp. $0.50
OP 701 Belle, J., 1982.
Some new and interesting South American species of Phyllogomphoides in the Museum of Zoology, University of Michigan, Ann Arbor, Michigan (Insecta: Odonata: Gomphidae). 14 pp., 18 figures. $2.00
OP 702 Garrison, R.W., 1982.
Archilestes neblina, a new damselfly from Costa Rica, with comments on the variability of A. latialatus Donnelly (Odonata: Lestidae). 12 pp., 24 figures. $2.00
OP 703 OConnor, B.M., F.S. Lukoschus and K.T.M. Gieson, 1982.
Two new species of Marmosopus (Acari: Astigmata) from rodents of the genus Scotinomys (Cricetidae) in Central America. 22 pp., 15 figures. $2.10
OP 705 Mesa, A. and A. Ferreira, 1984.
A cytogenetic look at the Haglidae through study of the chromosomes of two of its four relict species: Cyphoderris monstrosa and C. strepitans (Orthoptera: Ensifera). 11 pp., 7 figures. $1.80
OP 736 Garrison, R.W., N. von Ellenrieder, and M.F. O'Brien, 2003.
An annotated list of the name-bearing types of species-group names in Odonata preserved in the University of Michigan Museum of Zoology. 73 pp. $6.40
