Catalog of Hymenoptera in America north of Mexico KV Krombein, PD Hurd, DR Smith, BD Burks Smithsonian Institution Press 1, 1199-2209, 1979 | 906 | 1979 |
Science literacy: Its meaning for American schools PD Hurd Educational leadership 16 (1), 13-16, 1958 | 781 | 1958 |
Intrafloral ecology HG Baker, PD Hurd Jr Annual review of entomology 13 (1), 385-414, 1968 | 444 | 1968 |
Superfamily Apoidea. PDJ Hurd | 300* | 1981 |
A classification of the large carpenter bees (Xylocopini)(Hymenoptera: Apoidea) PD Hurd Univ. Calif. Pub. Entomol. 29, 1-365, 1963 | 226 | 1963 |
Squash and gourd bees (Peponapis, Xenoglossa) and the origin of the cultivated Cucurbita PD Hurd, EG Linsley, TW Whitaker Evolution 25 (1), 218-234, 1971 | 207 | 1971 |
Principal sunflower bees of North America with emphasis on the southwestern United States (Hymenoptera, Apoidea) PD Hurd Jr, WE LeBerge, EG Linsley | 198 | 1980 |
An annotated catalog of the halictid bees of the western hemisphere (Hymenoptera: Halictidae). JS Moure, PDJ Hurd | 191 | 1987 |
Superfamily Cynipoidea BD Burks, KV Krombein, PD Hurd, DR Smith Catalog of Hymenoptera in America north of Mexico 1, 1045-1107, 1979 | 174 | 1979 |
Why we must transform science education. PDH Hurd Educational leadership 49 (2), 33-35, 1991 | 168 | 1991 |
An annotated catalog of the carpenter bees (Genus Xylocopa Latreille) of the western hemisphere (Hymenoptera: Anthophoridae). PDJ Hurd | 152 | 1978 |
Comparative behavioral biology of two Middle East species of carpenter bees (Xylocopa Latreille)(Hymenoptera: Apoidea) D Gerling, PD Hurd Jr, A Hefetz | 123 | 1982 |
The squash and gourd bees—genera Peponapis Robertson and Xenoglossa Smith—inhabiting America north of Mexico (Hymenoptera: Apoidea) P Hurd, E Linsley Hilgardia 35 (15), 375-477, 1964 | 88 | 1964 |
Pollination ofOpuntia lindheimeri and related species V Grant, KA Grant, PD Hurd Plant Systematics and Evolution 132, 313-320, 1979 | 83 | 1979 |
Ecology of the squash and gourd bee, Peponapis pruinosa, on cultivated cucurbits in California (Hymenoptera: Apoidea) PD Hurd Jr, EG Linsley, AD Michelbacher | 80 | 1974 |
The megachiline bees of California (Hymenoptera: Megachilidae) PD Hurd, CD Michener (No Title), 1955 | 70 | 1955 |
Pollination of the southwestern opuntias V Grant, PD Hurd Plant Systematics and Evolution 133, 15-28, 1979 | 68 | 1979 |
The carpenter bees of California (Hymenoptera: Apoidea) PD Hurd (No Title), 1955 | 64 | 1955 |
Observations on the nesting habits of some new world carpenter bees with remarks on their importance in the problem of species formation (Hymenoptera: Apoidea) PD Hurd Jr Annals of the entomological Society of America 51 (4), 365-375, 1958 | 63 | 1958 |
The fossiliferous amber of Chiapas, Mexico PD Hurd | 57 | 1961 |