| [thaumetopoea pityocampa caterpillar and man. morphology of its venom apparatus. epidemiological investigation (author's transl)]. | the combination of a mechanical phenomenon (penetration of the hair) and a chemical phenomenon (discharge of a toxic substance) accounts for the pathological symptomatalogy induced by the processional pine caterpillar. epidemiological study has pin-pointed the regions infested by the pine caterpillar and has described in detail the dermatitis inflicted by this caterpillar with special emphasis on the frequency of ocular lesions. also, a close correlation was noted between the geographical densit ... | 1979 | 547803 |
| [atmospheric pollution of animal origin: the urticating hairs of the processionary caterpillar (thaumetopoea pityocampa schiff.) (insects, lepidoptera)]. | urticating hairs of pine processionary caterpillars are detectable in air using techniques designed for airborne microorganisms and pollen's research. as with pollens, abondance of hairs is correlated with distance of production zone and with local meterological conditions. collected in bordeaux, urticating hairs will be considered for allergists as pollens and other allergic particles. | 1990 | 2111200 |
| thaumetopoein: an urticating protein from the hairs and integument of the pine processionary caterpillar (thaumetopoea pityocampa schiff., lepidoptera, thaumetopoeidae). | hairs of the thaumetopoea pityocampa caterpillar (lepidoptera) cause a cutaneous reaction in man and animals. the irritating fraction extracted from hairs contains soluble proteins which were separated by various electrophoretic and immunoelectrophoretic techniques. some of these proteins are present also in cuticle and haemolymph. one protein of 28,000 mol. wt is hair specific and caused a reaction in pig skin identical to that produced by hair extract. it is therefore an urticating protein whi ... | 1986 | 3087028 |
| [thaumetopoein, an urticating protein of the processionary hairs of the caterpillar (thaumetopoea pityocampa schiff) (lepidoptera, thaumetopoeidae)]. | the irritating fraction extracted from processionary caterpillar hairs contains soluble proteins which were separated by various electrophoretic and immuno-electrophoretic techniques. some of these proteins are present also in cuticle and haemolymph. one protein of 28,000 daltons, formed of two subunits (13,000 and 15,000 daltons) is hair specific and causes a reaction in pig skin identical to that produced by hair extract. it is therefore an urticating protein and which we have named "thaumetop ... | 1985 | 3933773 |
| [french guiana "papillonite" (lepidopterism). clinical and epidemiological study]. | clinical studies by dr r. pradinaud (cayenne) has given prominence to the symptoms of "papillonite": its primary and secondary cutaneous lesions, their localisation and evolution as well as its accompanying symptoms such as respiratory pathology. epidemiologic survey shows a parallelism between the occurrence of papillonite and the presence of the moth hylesia urticans. the urticant apparatus of this moth was studied with the scanning electron microscope. "arrow" (fléchettes) were found and they ... | 1983 | 6666924 |
| irritating substance extracted from the thaumetopoea pityocampa caterpillar; mechanism of action. | hairs of the thaumetopoea pityocampa caterpillar (lepidoptera) cause cutaneous reactions in men and animals. a soluble substance extracted from the hairs has been shown to cause a reaction in guinea-pig skin, probably caused by mediators released by mast cells. a direct effect of this substance on mast cells has been shown. degranulation of mast cells was found to be dose-dependent. heating of this substance greatly reduced its effects. proteins fractions are currently being extracted and will b ... | 1983 | 6825799 |
| a binding site for bacillus thuringiensis cry1ab toxin is lost during larval development in two forest pests. | the insecticidal activity and receptor binding properties of bacillus thuringiensis cry1a toxins towards the forest pests thaumetopoea pityocampa (processionary moth) and lymantria monacha (nun moth) were investigated. cry1aa, cry1ab, and cry1ac were highly toxic (corresponding 50% lethal concentration values: 956, 895, and 379 pg/microl, respectively) to first-instar t. pityocampa larvae. during larval development, cry1ab and cry1ac toxicity decreased with increasing age, although the loss of a ... | 2000 | 10742241 |
| a human dermatitis caused by thaumetopoea pityocampa (denis and schiffermüller, 1775) (order: lepidoptera) caterpillars in istanbul, turkey. | | 2004 | 14763943 |
| insecticidal effects of essential oils from various plants against larvae of pine processionary moth (thaumetopoea pityocampa schiff) (lepidoptera: thaumetopoeidae). | along with sulfate turpentine, the essential oils obtained by steam distillation from nine plant species naturally grown in turkish forests were tested at three different concentrations to evaluate their effectiveness against the larvae of pine processionary moth (thaumetopoea pityocampa schiff). the results indicated that the essential oils from the nine species and sulfate turpentine were effective against the larvae of t pityocampa. the most effective essential oil in the control of the larva ... | 2004 | 14971685 |
| eumycetoma caused by cladophialophora bantiana in a dog. | we report a case of eumycetoma due to cladophialophora bantiana in a 3-year-old male siberian husky living in france. the dog presented a tumefaction on the thorax and deformity of the second and third subjacent ribs, which were surgically removed. macroscopic black granules were visible on the ribs, and direct microscopic examination revealed their fungal origin. cultures yielded pure colonies of c. bantiana. the identification of the causative agent was confirmed after amplification and sequen ... | 2004 | 15472377 |
| effects of bacillus thuringiensis kurstaki on malpighian tubule cells of thaumetopoea pityocampa (lepidoptera: thaumetopoeidae) larvae. | in this study effects of bacillus thuringiensis kurstaki (btk) on malpighian tubule cells of thaumetopoea pityocampa (lepidoptera: thaumetopoeidae) larvae was investigated by electron microscopy. 3 mg/l btk was given with food. after btk administration, the malpighian tubule cells were investigated and compared with a control group. 3 and 6 hrs after btk administration swelling in malpighian tubule cells was observed. swelling of mitochondria and separation of their cristae was seen after 12 hrs ... | 2005 | 16212102 |
| comparative population genetic study of two oligophagous insects associated with the same hosts. | a parallel study of the genetic structure of two oligophagous species associated with the same hosts was conducted to determine the main factors shaping the distribution of genetic diversity. the bark beetle tomicus piniperda and the pine processionary moth (ppm) thaumetopoea pityocampa are both associated with the genus pinus and belong to different guilds (xylophagous vs defoliating species). the ppm is an ectophagous species that feeds on the needles of living trees, whereas t. piniperda is e ... | 2006 | 16685280 |
| genetic isolation through time: allochronic differentiation of a phenologically atypical population of the pine processionary moth. | allochronic speciation refers to a mode of sympatric speciation in which the differentiation of populations is primarily due to a phenological shift without habitat or host change. however, it has been so far rarely documented. the present paper reports on a plausible case of allochronic differentiation between sympatric populations of the pine processionary moth (ppm), thaumetopoea pityocampa. the ppm is a mediterranean insect with winter larval development. a phenologically atypical population ... | 2007 | 17251101 |
| a multifunctional desaturase involved in the biosynthesis of the processionary moth sex pheromone. | the sex pheromone of the female processionary moth, thaumetopoea pityocampa, is a unique c16 enyne acetate that is biosynthesized from palmitic acid. three consecutive desaturation reactions transform this saturated precursor into the triunsaturated fatty acyl intermediate: formation of (z)-11-hexadecenoic acid, acetylenation to 11-hexadecynoic acid, and final delta(13) desaturation to (z)-13-hexadecen-11-ynoic acid. by using degenerate primers common to all reported insect desaturases, a single ... | 2007 | 17921252 |
| a cytoplasmic polyhedrosis virus isolated from the pine processionary caterpillar, thaumetopoea pityocampa. | a cytoplasmic polyhedrosis virus (cpv) was isolated from the larvae of thaumetopoea pityocampa and shown to cause an infection of midgut cells. this viral infection revealed several important diagnostic symptoms, including discoloration of the posterior midgut, reduced feeding, and extended development time of the larvae. the virus infection is lethal to thaumetopoea pityocampa, and with the increasing doses kills the larvae within 4-5 days post infection. electron microscopy studies showed typi ... | 2007 | 18051275 |
| economic assessment of managing processionary moth in pine forests: a case-study in portugal. | this paper assesses the private and social profitability of current strategies for managing processionary moth (thaumetopoea pityocampa) in portuguese pine forests, looking at economic and environmental costs and benefits. costs include the expenses for forest treatment and the social costs of threats to human health (dermatitis amongst others); benefits are assessed in terms of both revenue and social benefits such as carbon fixation and recreation. the evaluation was done using cost benefit an ... | 2009 | 18336989 |
| ecological costs on local adaptation of an insect herbivore imposed by host plants and enemies. | herbivore populations may become adapted to the defenses of their local hosts, but the traits that maximize host exploitation may also carry ecological costs. we investigated the patterns and costs of local adaptation in the pine processionary moth, thaumetopoea pityocampa, to its host plants, pinus nigra and p. sylvestris. the two hosts differ in needle toughness, a major feeding impediment for leaf-eating insects. we observed a west-to-east gradient of increasing progeny size in the italian al ... | 2008 | 18543631 |
| monitoring a genetically modified pseudomonas sp. released on pine leaves reveals concerted successional patterns of the bacterial phyllospheric community. | the fate of a biocontrol agent released on pine phyllosphere in a greenhouse-confined trial was followed over 102 days. the microorganism used, a pseudomonas sp., isolated from pinus nigra, carries the cry9a toxin gene from bacillus thuringiensis. in order to detect the gmm, specific primers were used, and a previously defined protocol for dna isolation from bacteria colonizing pine needles was applied. the method, based on vortexing in a suspension of glass beads followed by microcolumn extract ... | 2008 | 18574707 |
| [intoxications specific to the aquitaine region]. | some intoxications are more specifically linked to the aquitaine region than to other regions of france, due to environmental circumstances (fauna, flora, climate) or traditional activities (gastronomy). three types of intoxications are particular in this area. pine processionary caterpillar envenomations (thaumetopoea pityocampa), a southern europe pinewood parasite, are frequently encountered in the landes' forest. they are responsible of ocular and/or skin lesions with urticaria or contact de ... | 2009 | 19375827 |
| brevibacterium pityocampae sp. nov., isolated from caterpillars of thaumetopoea pityocampa (lepidoptera, thaumetopoeidae). | this work deals with the taxonomic study of a bacterium, strain tp12(t), isolated from caterpillars of the pine processionary moth (thaumetopoea pityocampa denis & schiffermüller, 1775; lepidoptera, thaumetopoeidae). the isolate was assigned to the genus brevibacterium on the basis of a polyphasic taxonomic study, including morphological and biochemical characteristics, 16s rrna gene sequence analysis, fatty acid analysis and dna g+c content. the highest 16s rrna gene sequence similarity to this ... | 2010 | 19651741 |
| molecular characterization and virulence of beauveria spp. from the pine processionary moth, thaumetopoea pityocampa (lepidoptera: thaumetopoeidae). | the pine processionary moth thaumetopoea pityocampa (den. & schiff.) is one of the most harmful pests to pine species in mediterranean countries including turkey. caterpillars of t. pityocampa are not only significantly harmful to forest trees but also responsible for various allergic reactions in humans and animals. in this study, in order to find a more effective and safe biological control agent against t. pityocampa, we investigated fungal pathogens of t. pityocampa in the black sea region o ... | 2010 | 20499189 |
| control of pine processionary moth, thaumetopoea pityocampa with bacillus thuringiensis in antalya, turkey. | taumetopoea pityocampa (den. and schiff) is one of the most common defoliator insects found in turkey. although several methods have been used in attempting to control this major forest pest up to now but the problem still remains largely unsolved in turkey. there is an urgent need to control and minimize the damages caused by these defoliating caterpillars. therefore, we planned and applied field treatments using by foray 76b and vbc 60074 to put forward to the efficiency of these bioinsecticid ... | 2010 | 21047011 |
| Effects of Pine Processionary Caterpillar Thaumetopoea pityocampa Contact in Dogs: 41 Cases (2002-2006). | The pine processionary caterpillar, Thaumetopoea pityocampa, is considered an emerging pine pest in Mediterranean countries, with high medical relevance. In recent years, adverse reactions reports in humans following contact with T. pityocampa have been increasingly reported. Dogs living in pinewood areas are also frequently exposed to the caterpillar. This work consisted on a retrospective study of 41 cases of lepidopterism. All dogs presented drooling, dysphagia, submandibular lymphadenomegaly ... | 2011 | 21824369 |
| Permanent Genetic Resources added to Molecular Ecology Resources Database 1 August 2011-30 September 2011. | This article documents the addition of 299 microsatellite marker loci and nine pairs of single-nucleotide polymorphism (SNP) EPIC primers to the Molecular Ecology Resources (MER) Database. Loci were developed for the following species: Alosa pseudoharengus, Alosa aestivalis, Aphis spiraecola, Argopecten purpuratus, Coreoleuciscus splendidus, Garra gotyla, Hippodamia convergens, Linnaea borealis, Menippe mercenaria, Menippe adina, Parus major, Pinus densiflora, Portunus trituberculatus, Procontar ... | 2012 | 22136175 |
| [presence in the sub-esophageal ganglinnof the caterpillar (thaumetopoea pityocampa schiff) of cells containing anti-alpha-endorphins as revealed by immunofluorescence]. | immunohistological investigations have been performed with vertebrate neuropeptide antiserums in the subaesophageal ganglion of larval thaumetopoea pityocampa (lepidoptera). positive immunoreaction was observed in two groups of cells only with an alpha-endorphin-antiserum. these cells are azocarmine ground positive earth and paraldehyde-fuchsin ground negative earth or gomori ground negative earth. in the brain, immunohistological staining was completely negative. | 1999 | 97029 |
| arthrobacter pityocampae sp. nov., isolated from thaumetopoea pityocampa (lep., thaumetopoeidae). | a bacterium (strain tp2(t)) was isolated from a caterpillar of the pine processionary moth, thaumetopoea pityocampa (den. & schiff.) (lepidoptera: thaumetopoeidae), a destructive pine forest pest. the bacterium is a gram-stain-positive, red-pigmented coccus, oxidase-negative, nitrate-reducing, non-motile and non-spore-forming. strain tp2(t) was subjected to a taxonomic study using polyphasic approach that included morphological and biochemical characterizations, 16s rrna gene sequence analysis, ... | 2014 | 25013228 |
| comparative analysis of two phenologically divergent populations of the pine processionary moth (thaumetopoea pityocampa) by de novo transcriptome sequencing. | the pine processionary moth thaumetopoea pityocampa is a mediterranean lepidopteran defoliator that experiences a rapid range expansion towards higher latitudes and altitudes due to the current climate warming. its phenology - the time of sexual reproduction - is certainly a key trait for the local adaptation of the processionary moth to climatic conditions. moreover, an exceptional case of allochronic differentiation was discovered ca. 15 years ago in this species. a population with a shifted p ... | 2014 | 24468684 |
| temperature niche shift observed in a lepidoptera population under allochronic divergence. | a process of adaptive divergence for tolerance to high temperatures was identified using a rare model system, consisting of two sympatric populations of a lepidoptera (thaumetopoea pityocampa) with different life cycle timings, a 'mutant' population with summer larval development, leiria sp, and the founder natural population, having winter larval development, leiria wp. a third, allopatric population (bordeaux wp) was also studied. first and second instar larvae were experimentally exposed to d ... | 2011 | 21635606 |
| incipient allochronic speciation in the pine processionary moth (thaumetopoea pityocampa, lepidoptera, notodontidae). | a plausible case of allochronic differentiation, where barrier to gene flow is primarily attributable to a phenological shift, was recently discovered in portugal for the pine processionary moth thaumetopoea pityocampa. previous results suggested that the observed 'summer population' (sp) originated from the sympatric winter population (wp). our objectives were to finely analyse these patterns and test their stability in time, through field monitoring and genetic analyses of larvae and adults ac ... | 2011 | 20964783 |
| comparative sex pherome biosynthesis in thaumetopoea pityocampa and t. processionea: a rationale for the phenotypic variation in the sex pherome within the genus thaumetopoea. | the female sex pheromones of the mediterranean processionary moths (thaumetopoea sp.) are conjugated dienes or enynes of 16 carbon atoms with the unsaturations located at c11 and c13. to investigate the biochemical basis of this phenotypic variation, the biosynthetic pathway of t. processionea sex pheromone, a diene acetate, has been elucidated and compared to that reported for the enyne-producing species t. pityocampa. mass labeling experiments showed that t. processionea sex pheromone is biosy ... | 2003 | 12535674 |