Books by Herbert Walter Levi
The orb-weaver genus Mangora i
The orb-weaver genus Mangora in South America (Araneae: Araneidae)
The orb-weaver genus Mangora o
The orb-weaver genus Mangora of Mexico, Central America, and the West Indies (Araneae: Araneidae)
Comments and new records for t
Comments and new records for the American genera Gea and Argiope with the description of new species (Araneae: Araneidae)
The Bolas spiders of the genus
The Bolas spiders of the genus Mastophora
Original illustrations for "Th
Original illustrations for "The American orb weavers of the genera Mecynogea, Manogea, Kapogea and Cyrtophora (Araneae, Araneidae)."
Orb- weaving spiders
Orb- weaving spiders
The neotropical orb-weaver gen
The neotropical orb-weaver genus Metazygia (Araneae: Araneidae)
The neotropical orb-weaving sp
The neotropical orb-weaving spiders of the genera Wixia, Pozonia, and Ocrepeira (Araneae: Araneidae)
Spiders of the orb-weaver genu
Spiders of the orb-weaver genus Parawixia in America (Araneae: Araneidae)
The neotropical and Mexican sp
The neotropical and Mexican species of the orb-weaver genera Araneus, Dubieperia, and Aculepeira (Araneae: Araneidae)
The neotropical orb-weaver gen
The neotropical orb-weaver genera Edricus and Wagneriana (Araneae: Araneidae)
The neotropical orb-weaving sp
The neotropical orb-weaving spiders of the genus Alpaida (Araneae: Araneidae)
The neotropical Orb-weaver gen
The neotropical Orb-weaver genera Chrysometa and Homalometa (Araneae: Tetragnathidae)
The spiny orb-weaver genera Mi
The spiny orb-weaver genera Micrathena and Chaetacis (Araneae: Araneidae)
The orb-weaver genera Argiope,
The orb-weaver genera Argiope, Gea and Neogea from the western Pacific region (Araneae : Araneidae, Argiopinae)
The American orb-weaver genera
The American orb-weaver genera Dolichognatha and Tetragnatha north of Mexico (Araneae: Araneidae, Tetragnathinae)
The orb-weaver genus Mecynogea
The orb-weaver genus Mecynogea, the subfamily Metinae and the genera Pachygnatha, Glenognatha and Azilia of the subfamily Tetragnathinae north of Mexico (Araneae
The orb-weaver genus Mecynogea
The orb-weaver genus Mecynogea, the subfamily Metinae and the genera Pachygnatha, Glenognatha and Azilia of the subfamily Tetragnathinae north of Mexico (Araneae: Araneidae)
The American orb-weaver genera
The American orb-weaver genera Colphepeira, Micrathena, and Gasteracantha north of Mexico (Araneae, Araneidae)
The American orb-weaver genera
The American orb-weaver genera Cyclosa, Metazygia, and Eustala north of Mexico (Araneae, Araneidae)
The orb-weaver genera Metepeir
The orb-weaver genera Metepeira, Kaira, and Aculepeira in America north of Mexico (Araneae, Araneidae)
The orb-weaver genera Verrucos
The orb-weaver genera Verrucosa, Acanthepeira, Wagneriana, Acacesia, Wixia, Scoloderus, and Alpaida north of Mexico (Araneae, Araneidae)
The American orb-weaver genera
The American orb-weaver genera Larinia, Cercidia, and Mangora north of Mexico (Araneae, Araneidae)
The orb-weaver genera Araniell
The orb-weaver genera Araniella and Nuctenea (Araneae: Araneidae)
The orb-weaver genus Zygiella
The orb-weaver genus Zygiella (Araneae, Araneidae)
Small orb-weavers of the genus
Small orb-weavers of the genus Araneus, north of Mexico (Araneae: Araneidae)
The diadematus group of the or
The diadematus group of the orb-weaver genus Araneus north of Mexico
The spider genera Gea and Argi
The spider genera Gea and Argiope in America (Araneae: Araneidae)
Habitat observations, records,
Habitat observations, records, and new South American theridiid spiders (Araneae, Theridiidae)
The theridiid spider fauna of
The theridiid spider fauna of Chile
American spiders of the genus
American spiders of the genus Phoroncidia (Araneae: Theridiidae)
The spider genus Thymoites in
The spider genus Thymoites in America (Araneae: Theridiidae)
American spiders of the genera
American spiders of the genera Audifia, Euryopis, and Dipoena (Araneae: Theridiidae)
American spiders of the genus
American spiders of the genus Achaearanea and the new genus Echinotheridion (Araneae, Theridiidae)
American spiders of the genus
American spiders of the genus Theridion (Araneae, Theridiidae)
The genera of the spider famil
The genera of the spider family Theridiidae
The spider genera Achaearanea,
The spider genera Achaearanea, Theridion and Sphyrotinus from Mexico, Central America and the West Indies (Araneae, Theridiidae)
The spider genera Crustulina a
The spider genera Crustulina and Steatoda in North America, Central America, and the West Indies (Araneae, Theridiidae)
The spider genera Enoplognatha, Theridion, and Paidisca in America north of Mexico (Araneae, Theridiidae)