Dryobius sexnotatus Linsley, 1957
publication ID |
https://doi.org/ 10.11646/zootaxa.5229.1.1 |
publication LSID |
lsid:zoobank.org:pub:CD98B371-D713-457E-A2D4-504F5AB0CAC5 |
persistent identifier |
https://treatment.plazi.org/id/7E6F5F56-FFA7-FFBB-CCCF-F880FEF53600 |
treatment provided by |
Plazi |
scientific name |
Dryobius sexnotatus Linsley, 1957 |
status |
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Dryobius sexnotatus Linsley, 1957 View in CoL View at ENA ; Dryobiini
Distribution: MD to NC to eastern TX to eastern KS. Most of the collection records of this species in Kentucky are from the Interior Plateau (Map 045).
Kentucky counties: Allen (1), Breathitt (2), Bullitt (2), Clark (7), Edmonson (1), Fayette (1), Fleming (1), Franklin (2), Fulton (1), Grant (1), Green (1), Jefferson (3), Jessamine (13), Madison (9), Mercer (5), Ohio (1), Powell (1), Russell (1), Shelby (1), nr (3)
Years: 1986 (1), 1989 (1), 2012 (1), 2014 (1), 2018 (4), 2019 (33), 2020 (3), 2021 (7), nr (6)
Months: May (1), June (38), July (13), August (2), nr (3)
Collections (36 records, 57 specimens): BG (2), CMNH (2), CNHM (2), EGCCRC (2), FlorC (1), PDBC (32), UKIC (2), UMRM (2), iNat (11), iNat/BG (1)
Collection methods: panel trap with: Dryobius lure (33), pyrrole (1)
Larval host plants: The primary host is Acer saccharum and it prefers standing overmature trees that have been wounded; also Fagus , Tilia americana and Ulmus ( Perry et al. 1974)
Chemical lures: Racemic 3-hydroxyhexan-2-one and 1-(1 H –pyrrol-2-yl)-1,2-propanedione ( Diesel et al. 2017)
Comments: This species has long been speculated to be in decline across its range (e.g., Dury 1902; Perry et al. 1974) and is on the “Species of Greatest Conservation Need” list in Arkansas, Louisiana and Virginia. The loss of mature forests across eastern North America has been speculated as the reason for the purported decline. Using the ( Diesel et al. 2017) Dryobius lure, Paul Baker (pers. comm.) collected multiple specimens at each of six localities in Kentucky and southern IN in 2018-2019. This lure has great potential as a valuable tool for assessment of this species’ status.
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