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61 results for “Veromessor”
A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
<p>Detailed collection and locality information for all material examined in the manuscript for "A taxonomic revision and a review of the biology of the North American seed-harvester ant genus <em>Veromessor </em>(Hymenoptera: Formicidae: Myrmicinae)".</p> <p>File "Robert_A_Johnson_collection.xlsx" contains records in the senior author's collection and "Veromessor_specimens_examined.xlsx" include records from all other collections. The two files differ in headers, format. </p>
Data from: Destruction of spider webs and rescue of ensnared nestmates by a granivorous desert ant (Veromessor pergandei)
Prey species rarely seek-out and dismantle traps constructed by their predators. In the current study, we report an instance of targeted trap destruction by an invertebrate, and a novel context for rescue behavior. We found that foragers of the granivorous desert ant, Veromessor pergandei, identify and cooperatively dismantle spider webs (Araneae: Theridiidae, Steatoda spp. and Asagena sp.) During group foraging, workers ensnared in webs are recovered by sisters, who transport them to the nest and groom away their silk bindings. The presence of an ensnared nestmate and chemical alarm signal significantly increased the probability of web removal and nestmate retrieval. A subset of larger-bodied foragers participated in web removal, and 6.3% became tangled or were captured by spiders. Most animals that perform rescue behavior live in small groups, but V. pergandei colonies include tens of thousands of short-lived workers. To maintain their size, large colonies must collect enough seeds to produce 650 new ants each day. We hypothesize that the removal of spider webs allows for an unimpeded income of seeds on a single foraging path, during a brief daily temperature window. Despite the cost to individuals, webs are only recognized and removed when workers are captured in them.
FIGURE 51 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 51. Photograph of Veromessor stoddardi male: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (LACMENT364104). Photographs by Michele Esposito from www.AntWeb.org.
FIGURE 56 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 56. Queen body size across species of Veromessor based on average head width, average head length, and average mesosoma length. Species are ordered (left to right) from shortest to longest mesosoma length.
FIGURE 52 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 52. Geographic distribution of Veromessor stoddardi. The larger black circle denotes the type locality.
FIGURE 48 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 48. Photograph of Veromessor stoddardi minor worker: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (CASENT0922825). Photographs by Michele Esposito from www.AntWeb.org.
FIGURE 43 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 43. Photograph of Veromessor pseudolariversi alate queen: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (LACMENT370281). Photographs by Wade Lee from www.AntWeb.org.
FIGURE 40 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 40. Photograph of Veromessor pergandei male: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (CASENT0922828). Photographs by Michele Esposito from www.AntWeb.org.
FIGURE 35 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 35. Photograph of Veromessor lobognathus alate queen: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (CASENT0922832). Photographs by Michele Esposito from www.AntWeb.org.
FIGURE 37 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 37. Photograph of Veromessor pergandei minor worker: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (CASENT0922827). Photographs by Michele Esposito from www.AntWeb.org.
FIGURE 44 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 44. Photograph of Veromessor pseudolariversi male: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (CASENT0869851). Photographs by Robert Johnson from www.AntWeb.org.
FIGURE 34 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 34. Photograph of Veromessor lobognathus worker: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (MCZ-ENT00736317). Photographs by Wade Lee from www.AntWeb.org.
FIGURE 33 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 33. Bivariate plots for workers, queens, and males of Veromessor lariversi and V. pseudolariversi: (A) head width versus head length and (B) head width versus mesosoma length. Sample size for each caste is in parentheses.
FIGURE 32 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 32. Photograph of Veromessor lariversi male: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (CASENT0761204). Photographs by Michele Esposito from www.AntWeb.org.
FIGURE 31 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 31. Photograph of Veromessor lariversi dealate queen: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (LACMENT363890). Photographs by Wade Lee from www.AntWeb.org.
FIGURE 29 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 29. Photographs of diagnostic characters to distinguish between workers of Veromessor lariversi Smith and (A–C) V. pseudolariversi (D–F). Photographs of V. lariversi worker (CASENT0923148): (A) anteroventral margin of postpetiole lacking a minute process, margin with a continuous profile, and (B) in profile and (C) in dorsal view, pronotum and mesonotum arugose and weakly to strongly coriarious to punctulate-granulate. Photographs of V. pseudolariversi paratype worker (CASENT0923121): (D) anteroventral margin of postpetiole with a minute process that interrupts the continuous profile, margin weakly concave anterior to process, and (E) in profile and (F) in dorsal view, pronotum with discontinuous to continuous, wavy to irregular transverse rugae; dorsum of mesonotum with one to few weak, wavy to irregular, usually discontinuous longitudinal rugae. Photographs by Michele Esposito and Wade Lee from www.AntWeb.org.
FIGURE 50 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 50. Photograph of Veromessor stoddardi alate queen: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (LACMENT370303). Photographs by Wade Lee from www.AntWeb.org.
FIGURE 27 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 27. Geographic distribution of: (A) Veromessor julianus, (B) V. lariversi, and (C) V. lobognathus. The larger black circle in each panel denotes the type locality.
FIGURE 28 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 28. Photograph of Veromessor lariversi worker: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (CASENT0923148). Photographs by Wade Lee from www.AntWeb.org.
FIGURE 25 in A taxonomic revision and a review of the biology of the North American seed-harvester ant genus Veromessor (Hymenoptera: Formicidae: Myrmicinae)
FIGURE 25. Photograph of Veromessor julianus male: (A) frontal view of head, (B) lateral view of body, and (C) dorsal view of body (CASENT0923344). Photographs by Michele Esposito from www.AntWeb.org.
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