Interference of Boll Weevil Trapping by Spiders (Araneida) and an Evaluation of Trap Modification to Reduce Unwanted Arthropods

Armstrong, J. Scott; Richman, David B.

doi:10.18474/0749-8004-42.3.392

Cited by 3 publications

(19 citation statements)

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“… Metazygia wittfeldae Armstrong and Richman 2007 : 395; Breene et al 1993c : 12, 47, 106, mf (figs 162A-C); Dean et al 1982 : 254; Guarisco 2008b : 5; Jackman 1997 : 161; Jackman et al 2007 : 199; Kaston 1953 : 190, desc. (fig.…”

Section: Taxonomymentioning

confidence: 98%

“… Hibana futilis Armstrong and Richman 2007 : 395; Brescovit 1991 : 742 [S, T]; Brescovit 1993 : 138; Calixto et al 2013 : 181; Jackman 1997 : 161; Patt and Pfannenstiel 2008 : 65; Patt and Pfannenstiel 2009 : 14; Pfannenstiel 2008a : 204; Taylor and Pfannenstiel 2008 : 997 …”

Section: Taxonomyunclassified

“… Eustala anastera Agnew et al 1985 : 3; Armstrong and Richman 2007 : 395; Bonnet 1956 : 1837; Breene et al 1993c : 11, 47, 104, mf (figs 155A-C); Brown 1974 : 232; Calixto et al 2013 : 181; Dean and Eger 1986 : 141; Dean and Sterling 1987 : 6; Dean and Sterling 1990: 402, 404; Dean et al 1982 : 254; Dean et al 1988 : 285–286; Dondale et al 2003 : 267, mf, desc. (figs 600–611); Jackman 1997 : 78, desc., 161 (photo 21l); Kagan 1942 : 30; Kagan 1943 : 258; Knutson et al 2010 : 515; Levi 1977a : 114 [S], mf, desc.…”

Section: Taxonomymentioning

confidence: 99%

“… Eustala brevispina Armstrong and Richman 2007 : 395; Bonnet 1956 : 1839; Gertsch and Davis 1936 : 12, mf, desc. (figs 9–10); Jackman 1997 : 161; Levi 1977a : 106, mf, desc.…”

Section: Taxonomymentioning

confidence: 99%

“… Larinia directa Agnew et al 1985 : 4; Armstrong and Richman 2007 : 395; Banks 1894 : 8; Breene et al 1993b : 647; Brown 1974 : 232; Dean and Eger 1986 : 141; Dean and Sterling 1990 : 404; Hoffmaster 1985 : 627; Jackman 1997 : 79, desc., 161; Knutson et al 2010 : 515; Levi 1975a : 105 [T], mf, desc. (figs 1–12, 31, 34, 37–41); Young and Edwards 1990 : 15 …”

Section: Taxonomymentioning

confidence: 99%

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Catalogue of Texas spiders

Dean¹

2016

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This catalogue lists 1,084 species of spiders (three identified to genus only) in 311 genera from 53 families currently recorded from Texas and is based on the “Bibliography of Texas Spiders” published by Bea Vogel in 1970. The online list of species can be found at http://pecanspiders.tamu.edu/spidersoftexas.htm. Many taxonomic revisions have since been published, particularly in the families Araneidae, Gnaphosidae and Leptonetidae. Many genera in other families have been revised. The Anyphaenidae, Ctenidae, Hahniidae, Nesticidae, Sicariidae and Tetragnathidae were also revised. Several families have been added and others split up. Several genera of Corinnidae were transferred to Phrurolithidae and Trachelidae. Two genera from Miturgidae were transferred to Eutichuridae. Zoridae was synonymized under Miturgidae. A single species formerly in Amaurobiidae is now in the Family Amphinectidae. Some trapdoor spiders in the family Ctenizidae have been transferred to Euctenizidae.Gertsch and Mulaik started a list of Texas spiders in 1940. In a letter from Willis J. Gertsch dated October 20, 1982, he stated “Years ago a first listing of the Texas fauna was published by me based largely on Stanley Mulaik material, but it had to be abandoned because of other tasks.” This paper is a compendium of the spiders of Texas with distribution, habitat, collecting method and other data available from revisions and collections. This includes many records and unpublished data (including data from three unpublished studies). One of these studies included 16,000 adult spiders belonging to 177 species in 29 families. All specimens in that study were measured and results are in the appendix. Hidalgo County has 340 species recorded with Brazos County at 323 and Travis County at 314 species. These reflect the amount of collecting in the area.

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Section: Taxonomymentioning

confidence: 98%

Section: Taxonomyunclassified

Section: Taxonomymentioning

confidence: 99%

“… Eustala brevispina Armstrong and Richman 2007 : 395; Bonnet 1956 : 1839; Gertsch and Davis 1936 : 12, mf, desc. (figs 9–10); Jackman 1997 : 161; Levi 1977a : 106, mf, desc.…”

Section: Taxonomymentioning

confidence: 99%

Section: Taxonomymentioning

confidence: 99%

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Catalogue of Texas spiders

Dean¹

2016

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Assessment of DNA Integrity From Trap-Captured Boll Weevil (Coleoptera: Curculionidae) for Use in a New PCR-Based Diagnostic Tool

Perkin

Oppert

Duke

et al. 2021

Journal of Economic Entomology

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The boll weevil, Anthonomus grandis grandis Boheman (Coleoptera: Curculionidae), is a major pest of commercial cotton (Gossypium hirsutum) in the southern United States and throughout Central and South America. Efforts are underway to develop a PCR-based diagnostic tool that can be used to rapidly and accurately differentiate boll weevils from other weevil species that are commonly captured in pheromone traps. However, the quantity and integrity of weevil DNA must be sufficient for a successful PCR assay. Currently, active eradication programs service traps weekly, but post-eradication programs service traps at 2- or 3-wk intervals. Consequently, captured weevils may be dead, dismembered, and exposed to environmental conditions for prolonged periods which may adversely affect the quantity and quality of weevil DNA. We documented DNA quantity and integrity in boll weevils and weevil body parts aged in traps over a 3-wk period under field conditions. The quantity of DNA extracted from whole weevils, heads, abdomens, and legs generally remained sufficient (> 1 ng/μl) for successful PCR amplification throughout the 21-d period. The integrity (fragment length) of extracted DNA declined over time but generally was sufficient (> 700 bp) for successful amplification. PCR amplification of three marker genes validated that the quality and integrity of DNA extracted from dead weevils and individual weevil body parts aged in traps up to 21 d remained at sufficient levels for the PCR-based assay. However, our data also suggested that rain events may accelerate degradation of weevil DNA.

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DNA Metabarcoding Enables High-Throughput Detection of Spotted Wing Drosophila (Drosophila suzukii) Within Unsorted Trap Catches

et al. 2022

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The spotted wing drosophila (Drosophila suzukii, Matsumara) is a rapidly spreading global pest of soft and stone fruit production. Due to the similarity of many of its life stages to other cosmopolitan drosophilids, surveillance for this pest is currently bottlenecked by the laborious sorting and morphological identification of large mixed trap catches. DNA metabarcoding presents an alternative high-throughput sequencing (HTS) approach for multi-species identification, which may lend itself ideally to rapid and scalable diagnostics of D. suzukii within unsorted trap samples. In this study, we compared the qualitative (identification accuracy) and quantitative (bias toward each species) performance of four metabarcoding primer pairs on D. suzukii and its close relatives. We then determined the sensitivity of a non-destructive metabarcoding assay (i.e., which retains intact specimens) by spiking whole specimens of target species into mock communities of increasing specimen number, as well as 29 field-sampled communities from a cherry and a stone fruit orchard. Metabarcoding successfully detected D. suzukii and its close relatives Drosophila subpulchrella and Drosophila biarmipes in the spiked communities with an accuracy of 96, 100, and 100% respectively, and identified a further 57 non-target arthropods collected as bycatch by D. suzukii surveillance methods in a field scenario. While the non-destructive DNA extraction retained intact voucher specimens, dropouts of single species and entire technical replicates suggests that these protocols behave more similarly to environmental DNA than homogenized tissue metabarcoding and may require increased technical replication to reliably detect low-abundance taxa. Adoption of high-throughput metabarcoding assays for screening bulk trap samples could enable a substantial increase in the geographic scale and intensity of D. suzukii surveillance, and thus likelihood of detecting a new introduction. Trap designs and surveillance protocols will, however, need to be optimized to adequately preserve specimen DNA for molecular identification.

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Interference of Boll Weevil Trapping by Spiders (Araneida) and an Evaluation of Trap Modification to Reduce Unwanted Arthropods

Cited by 3 publications

References 0 publications

Catalogue of Texas spiders

Catalogue of Texas spiders

Assessment of DNA Integrity From Trap-Captured Boll Weevil (Coleoptera: Curculionidae) for Use in a New PCR-Based Diagnostic Tool

DNA Metabarcoding Enables High-Throughput Detection of Spotted Wing Drosophila (Drosophila suzukii) Within Unsorted Trap Catches

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