Conotrachelus nenuphar (plum curculio).

2021 ◽  
Author(s):  
Charles Vincent
Keyword(s):  
Invasive Species ◽  
Life Cycle ◽  
North America ◽  
Rocky Mountains ◽  
Host Plants ◽  
Stone Fruit ◽  
Geographical Range ◽  
Conotrachelus Nenuphar ◽  
Plum Curculio ◽  
Wild Host

Abstract The plum curculio, C. nenuphar, is native to North America and restricted to east of the Rocky Mountains. Although it feeds on several wild host plants and several species of cultivated pome and stone fruit, C. nenuphar has not extended its geographical range over the years. Given its life-cycle (larvae complete their development and diapause in the soil), it is not likely to be a global invasive species. It can be considered as a local invader, as it will invade any new orchard plant (apple: Malus; plum: Prunus; peach: Prunus) and thereby become a serious pest of these agricultural habitats.

Host-tree-related differences in trap captures and electroantennogram activity of Conotrachelus nenuphar (Coleoptera: Curculionidae)

2010 ◽  
Vol 142 (3) ◽  
pp. 284-293 ◽  
Author(s):  
Tracy C. Leskey ◽  
Torri J. Hancock ◽  
Starker E. Wright
Keyword(s):  
North America ◽  
Malus Domestica ◽  
The Other ◽  
Stone Fruit ◽  
Eastern North America ◽  
Conotrachelus Nenuphar ◽  
Plum Curculio ◽  
Active Season ◽  
Prunus Salicina ◽  
Pome Fruits

AbstractThe plum curculio, Conotrachelus nenuphar (Herbst), is a serious pest of stone and pome fruits (Rosaceae) in eastern North America. We recorded captures of adult plum curculios in the field and measured electroantennogram (EAG) activity in the laboratory associated with cultivars of four hosts, ‘Formosa’ Japanese plum (Prunus salicina Lindl.), ‘Stanley’ European plum (P. domestica L.), ‘Empire’ apple (Malus domestica Borkh.), and ‘Loring’ peach (P. persica (L.) Batsch) (Rosaceae) to determine whether hosts that may be attractive to the plum curculio under field conditions also elicit positive EAG responses. Trap captures of adults on ‘Formosa’ plum were significantly greater than on any other host, and corresponding headspace extracts also produced strong EAG responses throughout the active season. ‘Stanley’ plum and ‘Loring’ peach, the other stone-fruit hosts included in the study, elicited strong EAG responses throughout the season, although trap captures associated with these hosts were generally not as high as for ‘Formosa’ plum. Throughout the season, trap captures of adults were significantly lower for ‘Empire’ apple than for ‘Formosa’ plum, and EAG responses were much lower than for all stone-fruit hosts. Our results indicate that volatiles from ‘Formosa’ plum likely contain uniquecompounds or are comprised of ratios of stimulating compounds that make it much more attractive to plum curculio in the field.

Visual Cues and Capture Mechanisms Associated with Traps for Plum Curculio (Coleoptera: Curculiondae)

2006 ◽  
Vol 41 (2) ◽  
pp. 97-106 ◽  
Author(s):  
Tracy C. Leskey
Keyword(s):  
North America ◽  
Visual Cues ◽  
Eastern North America ◽  
Pome Fruit ◽  
Conotrachelus Nenuphar ◽  
Plum Curculio ◽  
Capture Mechanism

The plum curculio, Conotrachelus nenuphar (Herbst), is a serious pest of stone and pome fruit in eastern North America, but an effective trap-based approach for monitoring this pest has not yet been developed. Therefore, the effectiveness of visual cues provided by pyramid and branch-mimicking cylinder traps and capture mechanisms of standard and enhanced pyramid traps (black pyramid traps with white borders and two collection devices), screen traps, standard and enhanced branch-mimicking cylinder traps (capture mechanism located at the base of the trap), Lindgren funnel and Vernon beetle traps were evaluated in 2003–2004. Pyramid traps captured more adults than branch-mimicking cylinder traps, and the greatest captures were in black and green pyramid traps. Enhanced pyramid traps did not capture more plum curculios than standard black pyramid traps. Capture mechanisms of standard masonite pyramid and screen traps were the most effective with significantly greater captures than other trap types.

Conotrachelus nenuphar. [Distribution map].

1954 ◽  
Author(s):  
Keyword(s):  
North America ◽  
Geographical Distribution ◽  
Distribution Map ◽  
Conotrachelus Nenuphar ◽  
Plum Curculio ◽  
Pome Fruits ◽  
New Distribution

Abstract A new distribution map is provided for Conotrachelus nenuphar (Hbst.) (Plum Curculio). Hosts: Stone and pome fruits, cultivated and wild. Information is given on the geographical distribution in NORTH AMERICA, Canada, U.S.A.

Yellow Brazilian Pepper-tree Leaf Galler (suggested common name) Calophya latiforceps Burckhardt (Insecta: Hemiptera: Calophyidae: Calophyinae)

EDIS ◽  
2017 ◽  
Vol 2017 (6) ◽  
Author(s):  
James P. Cuda ◽  
Patricia Prade ◽  
Carey R. Minteer-Killian
Keyword(s):  
Biological Control ◽  
North America ◽  
Natural Enemies ◽  
Host Plants ◽  
Classical Biological Control ◽  
Biological Control Agents ◽  
Pepper Tree ◽  
Brazilian Pepper ◽  
Close Relatives ◽  
Tree Leaf

In the late 1970s, Brazilian peppertree, Schinus terebinthifolia Raddi (Sapindales: Anacardiaceae), was targeted for classical biological control in Florida because its invasive properties (see Host Plants) are consistent with escape from natural enemies (Williams 1954), and there are no native Schinus spp. in North America. The lack of native close relatives should minimize the risk of damage to non-target plants from introduced biological control agents (Pemberton 2000). [...]

TUNGAU PADA DAUN MANGGA (Mangifera Indica)

2014 ◽  
Vol 13 (3) ◽  
Author(s):  
Rawati Panjaitan
Keyword(s):  
Life Cycle ◽  
Direct Observation ◽  
Host Plants ◽  
Body Shape ◽  
Leaf Surface ◽  
Mangifera Indica ◽  
Posterior Part ◽  
Mango Leaves

Mites have hostplant specifications or host plants. Mites can be destructive and deadly of which is the host plants a mango crop. Mites on mango crops will cause the leaves yellow and fall off prematurely. This is will lead to the disruption of the productivity of mango. It is necessary for research to identify the mites that infect the mango crop. The method is carried out by direct observation. Mites were taken from the surface of mango leaves later in preservation with several levels of concentration of alcohol, and polyvinyl laktofenol. Then, observed under a microscope and documented for identification purposes. Mites on the leaf surface of manalagi mango (<em>Mangifera indica</em>) found two species, it is <em>Oligonychus</em> sp. and <em>Oligonychus ilicis</em> (Family: Tetranychidae, Superfamily: Tetranychoidea). <em>Oligonychus</em> sp. hallmark is rounded body shape like a spider, with a body is transparent and there are two long seta on posterior part. While <em>Oligonychus ilicis</em> has a characteristic elongated rounded body shape, red, and there is a short posterior seta. <em>Oligonychus</em> sp. and <em>Oligonychus ilicis</em> live as parasites on the surface of mango leaves that can lead to wrinkled leaves, yellow and to fall. <em>Oligonychus</em> life cycle starts from the eggs develop into Nympha and then adult.

Wildfires in the southern Canadian Rocky Mountains and their relationship to mid-tropospheric anomalies

1993 ◽  
Vol 23 (6) ◽  
pp. 1213-1222 ◽  
Author(s):  
E.A. Johnson ◽  
D.R. Wowchuk
Keyword(s):  
North America ◽  
Rocky Mountains ◽  
Large Scale ◽  
Fire Frequency ◽  
Fuel Moisture ◽  
Large Fire ◽  
Canadian Rocky Mountains ◽  
Area Burned ◽  
Upper Level ◽  
Moisture Conditions

In this paper we present evidence for a large-scale (synoptic-scale) meteorological mechanism controlling the fire frequency in the southern Canadian Rocky Mountains. This large-scale control may explain the similarity in average fire frequencies and timing of change in average fire frequencies for the southern Canadian Rocky Mountains. Over the last 86 years the size distribution of fires (annual area burned) in the southern Canadian Rockies was distinctly bimodal, with a separation between small- and large-fire years at approximately 10–25 ha annual area burned. During the last 35 years, large-fire years had significantly lower fuel moisture conditions and many mid-tropospheric surface-blocking events (high-pressure upper level ridges) during July and August (the period of greatest fire activity). Small-fire years in this period exhibited significantly higher fuel moisture conditions and fewer persistent mid-tropospheric surface-blocking events during July and August. Mid-tropospheric surface-blocking events during large-fire years were teleconnected (spatially and temporally correlated in 50 kPa heights) to upper level troughs in the North Pacific and eastern North America. This relationship takes the form of the positive mode of the Pacific North America pattern.

Climatic implications of latest Pleistocene and earliest Holocene mammalian sympatries in eastern Washington state, USA

2008 ◽  
Vol 70 (3) ◽  
pp. 426-432 ◽  
Author(s):  
R. Lee Lyman
Keyword(s):  
North America ◽  
Late Pleistocene ◽  
Rocky Mountains ◽  
Taxonomic Composition ◽  
Washington State ◽  
The West ◽  
Mammalian Faunas ◽  
Eastern Washington

AbstractFor more than fifty years it has been known that mammalian faunas of late-Pleistocene age are taxonomically unique and lack modern analogs. It has long been thought that nonanalog mammalian faunas are limited in North America to areas east of the Rocky Mountains and that late-Pleistocene mammalian faunas in the west were modern in taxonomic composition. A late-Pleistocene fauna from Marmes Rockshelter in southeastern Washington State has no modern analog and defines an area of maximum sympatry that indicates significantly cooler summers than are found in the area today. An earliest Holocene fauna from Marmes Rockshelter defines an area of maximum sympatry, including the site area, but contains a single tentatively identified taxon that may indicate slightly cooler than modern summers.

CHAETOCNEMA CONCINNA (MARSHAM, 1802), A EUROPEAN FLEA BEETLE INTRODUCED IN NORTH AMERICA (COLEOPTERA: CHRYSOMELIDAE: ALTICINAE)

1990 ◽  
Vol 122 (4) ◽  
pp. 647-650
Author(s):  
Laurent Lesage
Keyword(s):  
Nova Scotia ◽  
North America ◽  
Prince Edward Island ◽  
Host Plants ◽  
Flea Beetle ◽  
Collection Data ◽  
First Time

AbstractChaetocnema concinna (Marsham, 1802), a European flea beetle, is reported for the first time from Canada. Preliminary collection data indicate that it may feed on the same host plants as in Europe. It has been collected to date in Prince Edward Island, Nova Scotia, and Maine.

Host plants of someRhinanthoideae (Scrophulariaceae) of eastern North America

1977 ◽  
Vol 127 (1) ◽  
pp. 45-53 ◽  
Author(s):  
Lytton J. Musselman ◽  
William F. Mann
Keyword(s):  
North America ◽  
Host Plants ◽  
Eastern North America
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