Matsucoccus macrocicatrices (Hemiptera: Matsucoccidae): first report, distribution, and association with symptomatic eastern white pine in the Southeastern United States

Mech, Angela M., Asaro, Christopher, Cram, Michelle M., Coyle, David R., Gullan, Penelope J., Cook, Lyn G. and Gandhi, Kamal J. L. (2013) Matsucoccus macrocicatrices (Hemiptera: Matsucoccidae): first report, distribution, and association with symptomatic eastern white pine in the Southeastern United States. Journal of Economic Entomology, 106 6: 2391-2398. doi:10.1603/EC13251

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Author Mech, Angela M.
Asaro, Christopher
Cram, Michelle M.
Coyle, David R.
Gullan, Penelope J.
Cook, Lyn G.
Gandhi, Kamal J. L.
Title Matsucoccus macrocicatrices (Hemiptera: Matsucoccidae): first report, distribution, and association with symptomatic eastern white pine in the Southeastern United States
Formatted title
Matsucoccus macrocicatrices (Hemiptera: Matsucoccidae): first report, distribution, and association with symptomatic eastern white pine in the Southeastern United States
Journal name Journal of Economic Entomology   Check publisher's open access policy
ISSN 0022-0493
1938-291X
Publication date 2013-12-01
Year available 2013
Sub-type Article (original research)
DOI 10.1603/EC13251
Open Access Status Not yet assessed
Volume 106
Issue 6
Start page 2391
End page 2398
Total pages 8
Place of publication LANHAM
Publisher ENTOMOLOGICAL SOC AMER
Language eng
Subject 1109 Neurosciences
2303 Ecology
Abstract We provide the first report of Matsucoccus macrocicatrices Richards (Hemiptera: Mat-sucoccidae) feeding and reproducing on eastern white pine, Pinus strobus L., in the southeastern United States. Until now, M. macrocicatrices had been reported only from the Canadian Atlantic Maritimes, New Hampshire, and Massachusetts. Entomological holdings of 27 major museums in eastern North America have no historical records for M. macrocicatrices from the southeastern region. However, our field surveys and molecular analyses (DNA barcoding) have resulted in the collection and positive identification of M. macrocicatrices in Georgia, North Carolina, South Carolina, Tennessee, Virginia, and West Virginia. In addition to the new geographic range, M. macrocicatrices is also being associated with dieback and mortality of all diameter classes of P. strobus leading to concern about a potential shift from its historically nonpestiferous presence on the host tree. On P. strobus, M. macrocicatrices was found embedded in cankers or present on top of the bark with necrotic tissue under their feeding area, indicating that they may be creating wounds for opportunistic pathogenic fungi to infest. Further, we found M. macrocicatrices living outside of the epiphytic mats of its symbiotic fungus, Septobasidium pinicola Snell. This study shows that M. macrocicatrices is now widespread in the southeastern United States, with implications for the future survival and regeneration of P. strobus in eastern North America.
Formatted abstract
We provide the first report of Matsucoccus macrocicatrices Richards (Hemiptera: Mat-sucoccidae) feeding and reproducing on eastern white pine, Pinus strobus L., in the southeastern United States. Until now, M. macrocicatrices had been reported only from the Canadian Atlantic Maritimes, New Hampshire, and Massachusetts. Entomological holdings of 27 major museums in eastern North America have no historical records for M. macrocicatrices from the southeastern region. However, our field surveys and molecular analyses (DNA barcoding) have resulted in the collection and positive identification of M. macrocicatrices in Georgia, North Carolina, South Carolina, Tennessee, Virginia, and West Virginia. In addition to the new geographic range, M. macrocicatrices is also being associated with dieback and mortality of all diameter classes of P. strobus leading to concern about a potential shift from its historically nonpestiferous presence on the host tree. On P. strobus, M. macrocicatrices was found embedded in cankers or present on top of the bark with necrotic tissue under their feeding area, indicating that they may be creating wounds for opportunistic pathogenic fungi to infest. Further, we found M. macrocicatrices living outside of the epiphytic mats of its symbiotic fungus, Septobasidium pinicola Snell. This study shows that M. macrocicatrices is now widespread in the southeastern United States, with implications for the future survival and regeneration of P. strobus in eastern North America.
Keyword Eastern white pine
Matsucoccidae
Matsucoccus macrocicatrices
Pinus strobus
Southeastern United States
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2014 Collection
School of Biological Sciences Publications
 
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