Investigation Of Two Insect Species For Control Of Eurasian Watermilfoil
DOWNLOAD
Download Investigation Of Two Insect Species For Control Of Eurasian Watermilfoil PDF/ePub or read online books in Mobi eBooks. Click Download or Read Online button to get Investigation Of Two Insect Species For Control Of Eurasian Watermilfoil book now. This website allows unlimited access to, at the time of writing, more than 1.5 million titles, including hundreds of thousands of titles in various foreign languages. If the content not found or just blank you must refresh this page
Investigation Of Two Insect Species For Control Of Eurasian Watermilfoil
DOWNLOAD
Author : Gary R. Buckingham
language : en
Publisher:
Release Date : 1981
Investigation Of Two Insect Species For Control Of Eurasian Watermilfoil written by Gary R. Buckingham and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Aquatic insects categories.
This report presents the results of the evaluation of two species of insects for the biological control of Eurasian watermilfoil (Myriophyllum spicatum L.). One of the species is a native weevil, Litodactylus leucogaster (Marsh.), which attacks the flower spikes, and the other is an accidentally introduced European moth, Acentria nivea (Oliver), whose larvae feed on the leaves and stems. The biology of L. leucogaster was studied in detail and host-specificity tests were conducted with adults and larvae. Since it was determined to be specific to watermilfoils, it was released at Crystal River, Florida, on 22 August 1979. Two adults were captured at Crystal River in November indicating possible establishment. The pyralid moth, A. nivea, was difficult to rear in the laboratory. Since the females were active only one night, successful matings were rare in the small colony. Larval production was best in containers that were minimally disturbed. the larvae required water temperatures below 22 C for development though they could survive short periods at higher temperatures. The larvae were not specific to milfoil; however, A. nivea may still be of interest as a member of a complex of species which attack milfoil. (Author).
Surveys For Insects That Feed On Eurasian Watermilfoil Myriophyllum Spicatum And Hydrilla Hydrilla Verticillata In The People S Republic Of China Japan And Korea
DOWNLOAD
Author : Gary R. Buckingham
language : en
Publisher:
Release Date : 1998
Surveys For Insects That Feed On Eurasian Watermilfoil Myriophyllum Spicatum And Hydrilla Hydrilla Verticillata In The People S Republic Of China Japan And Korea written by Gary R. Buckingham and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Eurasian watermilfoil categories.
Many of the most important aquatic nuisance plants are immigrants that arrived in the United States without their respective natural enemies. These include, among others, alligatorweed, water hyacinth, water lettuce, water chestnut, hydrilla, and Eurasian watermilfoil. The first two species have been controlled at many sites and reduced throughout much of their range by insects imported from their native homes and released into the environment. This method of control is called classical biological control. The objectives of this study were (a) to identify and visit diverse regions of P.R. China, Japan, and Korea that had hydrilla and Eurasian watermilfoil, (b)to collect herbivorous insects on the target species and on related species, (c) to note the life cycles and types of damage for the insects, (d) to carry living specimens of promising species to the Gainesville, FL, quarantine facility, and (e) to establish colonies of the insects in quarantine for companion biology and host range studies.
Development Of A Biological Control Program For Eurasian Watermilfoil Myriophyllum Spicatum
DOWNLOAD
Author : Matthew J. W. Cock
language : en
Publisher:
Release Date : 2008
Development Of A Biological Control Program For Eurasian Watermilfoil Myriophyllum Spicatum written by Matthew J. W. Cock and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Aquatic weeds categories.
Investigation Of Inter And Intraspecific Genetic Variability Of Euhrychiopsis Lecontei A Biological Control Agent For The Management Of Eurasian Watermilfoil
DOWNLOAD
Author : Lara Diane Roketenetz
language : en
Publisher:
Release Date : 2015
Investigation Of Inter And Intraspecific Genetic Variability Of Euhrychiopsis Lecontei A Biological Control Agent For The Management Of Eurasian Watermilfoil written by Lara Diane Roketenetz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Aquatic ecology categories.
Euhrychiopsis lecontei (milfoil weevils) have been used as a native, augmentative biological control agent in the management of the invasive aquatic weed, Myriophyllum spicatum (Eurasian watermilfoil), since the 1990's. Although much research has been conducted on E. lecontei's life history and effectiveness as a biological control agent, detailed genetic characterization of the weevil and its close relatives has been lacking in the literature. The current studies sought to fill this gap in knowledge by collecting molecular genetic data for this important native insect. Characterization of interspecific diversity, via the examination of mitochondrial DNA of E. lecontei and other members of the tribe Phytobiini, suggest that the North American members of this group are sister species (E. lecontei and Parenthis vestitus) as are European members (Eubrychius velutus and Phytobius leucogaster) of the group. This study therefore supports the hypothesis that this group of milfoil specialists shares a recent common ancestor that colonized aquatic habitats and utilized one or more Myriophyllum species as a host. Intraspecific studies utilizing mitochondrial and microsatellite DNA of E. lecontei were also performed. These data indicate that while the species shows some geographic structuring on a continental scale, population-level studies indicate high levels of panmixia with relatively high rates of inbreeding. Since the continued management of Eurasian watermilfoil represents a large economic and ecological burden across the United States and Canada, studies such as these are of particular value in determining if E. lecontei has suitable viability as a native biological control agent for this invasive plant.
Proceedings 21st Annual Meeting Aquatic Plant Control Research Program
DOWNLOAD
Author : Aquatic Plant Control Research Program (U.S. Army Engineer Waterways Experiment Station). Meeting
language : en
Publisher:
Release Date : 1987
Proceedings 21st Annual Meeting Aquatic Plant Control Research Program written by Aquatic Plant Control Research Program (U.S. Army Engineer Waterways Experiment Station). Meeting and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Allelopathy categories.
Annual Report On Civil Works Activities Of The Chief Of Engineers For Fy
DOWNLOAD
Author : United States. Army. Corps of Engineers
language : en
Publisher:
Release Date : 1979
Annual Report On Civil Works Activities Of The Chief Of Engineers For Fy written by United States. Army. Corps of Engineers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Civil engineering categories.
Annual Report Of The Chief Of Engineers On Civil Works Activities
DOWNLOAD
Author : United States. Army. Corps of Engineers. Civil Works Directorate
language : en
Publisher:
Release Date : 1979
Annual Report Of The Chief Of Engineers On Civil Works Activities written by United States. Army. Corps of Engineers. Civil Works Directorate and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Civil engineering categories.
Proceedings 27th Annual Meeting Aquatic Plant Control Research Program
DOWNLOAD
Author : Aquatic Plant Control Research Program (U.S. Army Engineer Waterways Experiment Station). Meeting
language : en
Publisher:
Release Date : 1993
Proceedings 27th Annual Meeting Aquatic Plant Control Research Program written by Aquatic Plant Control Research Program (U.S. Army Engineer Waterways Experiment Station). Meeting and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Aquatic ecology categories.
Aquaculture Research
DOWNLOAD
Author :
language : en
Publisher:
Release Date : 1983
Aquaculture Research written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Aquaculture categories.
Selected Water Resources Abstracts
DOWNLOAD
Author :
language : en
Publisher:
Release Date : 1990
Selected Water Resources Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Water categories.