Studies were conducted in 1997and 1998 to evaluate the effects of three particle film formulations consisting kaolin and adjuvants on neonate larvae, ovipositing adult females, eggs codling moth, Cydia pomonella (L.). Neonate larval walking speed, fruit discovery rate, penetration rate apple host plants coated with films significantly lower than without laboratory assays. Females oviposited less covered a residue untreated choice no-choice tests. Hatch moth larvae was unaffected by sprayed...

Abstract D rosophila suzukii, M atsumura, is a relatively new pest in the U nited S tates attacking variety of fruit crops. Studies were conducted to develop standardized, economical trap for monitoring. Laboratory bioassays found that flies attracted dark colours ranging from red black. Similarly, fly catches 237‐ml plastic ‘spice’ jars with ten 0.48‐cm holes and baited apple cider vinegar significantly higher or black than white caps. The use an alternating set three, horizontal red, bands...

Understanding the processing of odour mixtures is a focus in olfaction research. Through neuroethological approach, we demonstrate that different types, sex and habitat cues are coded together an insect herbivore. Stronger flight attraction codling moth males, Cydia pomonella, to blends female pheromone plant odour, compared with single compounds, was corroborated by functional imaging olfactory centres brain, antennal lobes (ALs). The macroglomerular complex (MGC) AL, which dedicated...

Abstract Plants release volatiles in response to caterpillar feeding that attract natural enemies of the herbivores, a tri-trophic interaction which has been considered an indirect plant defence against herbivores. The caterpillar-induced have reported repel or conspecific adult To date however, no volatile signals either adults under field conditions chemically identified. Apple seedlings uniquely released seven compounds including acetic acid, anhydride, benzyl alcohol, nitrile, indole,...

Studies were conducted in 1997 to evaluate the effects of kaolin-based particle film formulation M96–018 on adults, eggs, and larvae obliquebanded leafroller, Choristoneura rosaceana (Harris). Particle treatments significantly reduced female longevity, mating success, number egg masses oviposited compared with moths untreated apple leaves sleeve-cage screen-cage tests. No differences success or oviposition caused by application rates coverage density foliage. Females avoided ovipositing...

A bioassay in which azinphosmethyl was incorporated into the adhesive of a sex pheromone trap developed to detect resistance populations male codling moth, Cydia pomonella (L.). Experiments were done evaluate influence length bioassay, moth body position adhesive, age, and extremes temperature relative humidity (RH) experienced by moths caught traps field. Moth's age for <5 d old not significant factors affecting mortality. Exposure low (45% RH) or high temperatures (10–25°C) up 12 h did...

Abstract The influence of the anthranilic diamide insecticide chlorantranilipole (DPX‐E2Y45; Rynaxypyr ™ ) against adult stage codling moth, Cydia pomonella L., was examined. Insecticide residues in plastic cups sprayed with 56 mg AI L −1 (equivalent to recommended field rate) had a minimal effect on survival or fecundity, but significantly fewer female moths were mated treated than untreated cups. Similar results found studies adults placed screened cages apple foliage for up 3 weeks....

Abstract The activity of detoxifying enzymes (glutathione-S-transferases (GST), mixed-function oxidases (MFO), and esterases (EST)) the presence insensitive variants target proteins (sodium channel acetylcholinesterase) were examined in individual male female codling moths. Twenty-nine populations from 11 countries two laboratory strains examined. Populations classified as either unsprayed or sprayed. ranges enzyme activities across field varied 15-fold, 485-fold fourfold for GST, MFO EST,...

Laboratory and field studies were conducted to measure the responses of adult codling moth, Cydia pomonella (L.), several plant volatiles presented alone in combination with acetic acid. Plant included ethyl (E,Z)-2,4-decadienoate (pear ester), (E)-β-farnesene, (Z)-3-hexenyl acetate, ± farnesol, (E)-4,8-dimethyl-1,3,7-nonatriene (DMNT). Male moth exhibited upwind behavioral each compound flight tunnel tests acid > DMNT farnesol acetate pear ester (E)-β-farnesene. In apple orchards, however,...

Studies were conducted to assess glacial acetic acid (GAA) with various host plant volatiles (HPVs) and the sex pheromone, (E,E)-8, 10-dodecadien-1-ol, of codling moth, Cydia pomonella (L), as lures in traps for tortricid pests that often co-occur tree fruits western United States. In addition field trapping studies oriental fruit Grapholita molesta (Busck), obliquebanded leafroller Choristoneura rosaceana (Harris), Pandemis pyrusana Kearfott, eyespotted budmoth, Spilonota ocellana (Denis...

Abstract BACKGROUND Drosophila suzukii is a major pest of cherry in the western United States. We evaluated whether addition sugary baits could improve efficacy two classes insecticides not considered to be sufficiently effective for this pest, diamides and spinosyns, laboratory field trials cherry. RESULTS Adding cane sugar alone or combination with yeasts Saccharomyces cerevisiae Aureobasidium pullulans significantly improved insecticide efficacy. However, significance adding plus on fly...

Abstract Plants release volatiles in response to caterpillar feeding that attracts natural enemies of the herbivores, a tritrophic interaction which has been considered be an indirect plant defence against herbivores. On other hand, caterpillar‐induced have reported either repel or attract conspecific adult This work was undertaken investigate both herbivores and apple orchards. We sampled volatile compounds emitted from uninfested trees, trees infested with generalist herbivore pandemis...

We analyzed the spatial distribution and dispersal of codling moth, Cydia pomonella (L.), adults within two heterogeneous agroecosystems typical central Chile: commercial apple, Malus domestica Borkhausen, orchards surrounded by various unmanaged host plants. Both a geostatistical analysis catches adult males with grid sex pheromone-baited traps an immunological self-marking technique combined baited male female attractant were used. The analyses identified key sources moths these diverse...

Abstract The performance of polyvinyl chloride polymer (PVC) dispensers loaded with two rates ethyl ( E,Z )‐2,4‐decadienoate (pear ester) plus the sex pheromone, E,E )‐8,10‐dodecadien‐1‐ol (codlemone) codling moth, Cydia pomonella (L.), was compared similar and commercial (Isomate ® CheckMate ) only codlemone. Dispenser evaluations were conducted in replicated small (0.1 ha) large (2 field trials apple, Malus domestica (Borkhausen), during 2006 (Washington) 2007 (Michigan, plot study only)....

Semiochemicals released by plant-microbe associations are used herbivorous insects to access and evaluate food resources oviposition sites. Adult may utilize microbial-derived nutrients prolong their lifespan, promote egg development, offer a high nutritional substrate offspring. Here, we examined the behavioral role of semiochemicals from grape-microbe interactions on field attraction grapevine moth Lobesia botrana (Denis & Schiffermüller). The volatile constituents grape inoculated with...

Abstract Field studies were conducted to evaluate new kairomone blends in combination with pear ester ( E,Z )‐2,4‐ethyl decadienoate (PE) and acetic acid (AA) for their attraction of male female codling moth, Cydia pomonella (L.), apple, Malus domestica Borkhausen. The addition decanal either AA or PE alone significantly increased total moth catches. However, the did not improve + AA. pyranoid (PyrLOX) furanoid (FurLOX) linalool oxide but (LOL) catches increase Similarly, PyrLOX plus E...

Journal Article Tebufenozide Targeted Against Codling Moth (Lepidoptera: Tortricidae) Adults, Eggs, and Larvae Get access Alan L. Knight Agricultural Research Laboratory, USDA-ARS, 5230 Konnowac Pass Road, Wapato, WA 98951 Search for other works by this author on: Oxford Academic PubMed Google Scholar of Economic Entomology, Volume 93, Issue 6, 1 December 2000, Pages 1760–1767, https://doi.org/10.1603/0022-0493-93.6.1760 Published: 01 2000

Abstract The vertical distribution of codling moth, Cydia pomonella (L.) within pheromone‐treated and untreated apple pear orchard canopies was determined using tethered virgin females, unbaited sticky traps, blacklight observation released moths. Mating females at various heights in increased with placement height from 1–4 m. Application pheromone dispensers for mating disruption 2 4 m above the ground greatly decreased mating. Greatest capture males on traps occurred mid‐ upper‐canopy...

Codling moth, Cydia pomonella (L.), is a severe pest of apples, pears, and walnuts worldwide, new approaches for precise monitoring management would be beneficial. Ninety-two pome fruit volatiles were formulated in 23 distinct blends, which single 4-component blend 10-carbon esters showed the only significant attraction moths field bioassays conducted both walnut apple orchards. A constituent this blend, ethyl (2E,4Z)-2,4-decadienoatethe "pear ester", was major contributing attractant. The...

Studies were conducted in apple to evaluate factors that differentially affect the catch of male and female codling moth, Cydia pomonella L., traps baited with ethyl (E, Z)-2,4-decadi- enoate (pear ester). We examined time moth capture diel cycle recapture rates marked moths sex pheromone mating disruption (MD) untreated orchards. The attrac- tiveness pear esterÐ was compared among Þve cultivars. Experiments also assessed insuence trap height, distance from dispensers, proximity foliage...

Studies were conducted in apple, Malus domestica Borkhausen, orchards to evaluate the attractiveness of kairomone, ethyl (E, Z)-2,4-decadienoate (pear ester), loaded at various rates into gray halobutyl septa, adult codling moth, Cydia pomonella L. All studies treated with sex pheromone mating disruption. Lure loadings from 0.01 μg 50.0 mg evaluated 12 orchard plots 1999. Lures 1.0–50.0 and 0.1–50.0 caught significantly more male female moths than blank control, respectively. Field...