13 results about "Midge" patented technology

The invention belongs to the technical field of attractants, and particularly relates to application of capraldehyde in preparation of a blood-sucking midge attractant. The invention provides an application of capraldehyde in preparation of a blood-sucking midge attractant. According to the invention, detection of an EAG reaction and a behavioral reaction of Taiwan Lasiohelea to capraldehyde proves that capraldehyde has a good attracting effect on Taiwan Lasiohelea, and the capraldehyde has an effect of attracting Taiwan Lasiohelea when the concentration of capraldehyde is in a range of 0.000001%-0.01%. As a monomeric compound, capraldehyde has simple components, is environment-friendly, and is expected to be developed into a series of products for preventing and treating blood-sucking midges.

The invention discloses a field capturing, short-term storing and feeding device for blood sucking midges and a using method thereof. The device is composed of a living body maintaining pipe, a sealing cover and a base. The living body maintaining tube is placed on the base; and a sealing cover is arranged at the top of the living body maintaining tube. The use method comprises the following steps: capturing living blood sucking midges in the field by utilizing the capturing state of the device; the device is converted into a feeding state, that is, a rubber plug fixed with an insect inlet unit and an air suction unit is removed, and a threaded semi-sealing cover with a feeding filter screen is installed; nutrient solution is provided for the gnat in the living body maintaining pipe through the feeding filter screen. The field catching, short-term storage and feeding integrated device overcomes the defects that an existing blood sucking midge collecting device cannot give consideration to the high catching rate, the high survival rate and the short-term storage and feeding function, and is simple in structure, convenient and fast to operate and capable of remarkably improving the survival rate of gnat from the catching stage to the laboratory stage.

The invention is applicable to the technical field of computers, and provides a rapid convergence optimization method based on a midge search algorithm, which comprises the following steps of: firstly, initializing a population, and improving the fitness of the initial population by using chaotic mapping, reverse learning and a high-quality individual generation strategy; thirdly, dividing the male gnat into three types of copulation worms, copulation worms and group dance worms according to the distances from the male gnat to the female gnat, updating the information of the copulation worms, the copulation worms and the group dance worms in sequence until the maximum number of iterations is reached, ending iteration, and outputting an optimal solution. The invention provides a midge search algorithm (MSA) based on the simulation of group behaviors in the breeding process of gnat. Test results show that MSA is excellent in performance in practical application, and rapid convergence is achieved while certain precision is kept. The algorithm is particularly suitable for the optimization problem needing rapid convergence to save the computing power and guarantee the result precision, the precision of the optimization result can be guaranteed, the calculation amount is effectively reduced, and the practical significance is achieved.

This invention provides the application of compounds in attracting or controlling midges, relating to the field of midge control technology. Through screening and identification, this invention has obtained five compounds (butyric acid, butyraldehyde, propionaldehyde, 2-hexanone, and acetophenone) with significant attractant activity against Formosan midge. These compounds can be used alone or in combination, are environmentally friendly and have a high affinity for non-target organisms, greatly enriching the candidate resource of midge attractants. They can be directly applied to the monitoring and large-scale trapping of midges, effectively reducing midge population density, thereby reducing midge bites and the spread of midge-borne diseases, which has significant public health implications.

The utility model relates to the technical field of sorghum planting protection device, more particularly, disclose a kind of for sorghum pest's trapping and killing device, it include: arc plate;Box, be set in the below of arc plate, connect the both sides of arc plate;Turnover plate, rotatably be set in first baffle and second baffle, between arc plate and box;Strip-shaped hole, be set in the side of arc plate;Breather, be set in the side of arc plate away from strip-shaped hole;Lure component, set in the side of breather away from turnover plate, for luring sorghum midge;Driving component, for driving turnover plate rotation;Killing assembly, for spraying insecticide to box;By using the utility model, sorghum midge can be captured and killed all-weather, compared with insecticidal lamp, the utility model uses condition is not limited by external light intensity, in rainy day also can continuously kill sorghum midge operation, can effectively improve the killing efficiency of sorghum midge.

The invention provides a blood-sucking midge efficient repellent and a screening and identifying method thereof, and relates to the technical field of biology. According to the invention, an odor receptor gene FtaiOr1 which is highly expressed at the head of a female gnat is obtained through identification, and a transgenic drosophila melanogaster strain Or22ab- / -GAL4 which can be used for screening a blood-sucking midge repellent compound is constructed through heterologous expression of the gene in a drosophila melanogaster ab3A neuron; and UAS-FtaiOr1 (UAS-FtaiOr1). Six blood sucking midge repelling compounds (camphor, eudesmol, (+)-anisone, alpha-terpilenol, (S)-cis-verbenol and isoterpinene) are obtained by screening of the fruit fly strain. The compounds can be used independently or in a compounded manner, are friendly to non-target organisms and environment, can be directly applied to repelling and on-site prevention and control of blood sucking midges, and have important application value in the aspects of reducing midge bites and reducing the propagation risk of entomophilous diseases.

Horse blanket for protection against insects, in particular for protection against horseflies and against black flies and midges, wherein the horse blanket has a 3D knitted fabric and the 3D knitted fabric consists of two knitted layers that are connected to each other by intermediate threads and kept at a distance, characterized by at least one layer of the spacer knitted fabric with a mesh size of less than or equal to 0.3 mm

A bionic jumping robot with an adjustable trajectory for multiple motion modes, comprising a jumping mechanism and a clutch mechanism. The jumping mechanism is composed of a flea-like jumping mechanism and a gall midge larva-like jumping mechanism, and is integrally in the shape of a similar six-bar mechanism. The flea-like jumping mechanism includes four torsion spring mechanisms arranged symmetrically up and down, and the gall midge larva-like jumping mechanism includes four arc-shaped elastic elements located in the middle of the torsion spring mechanisms. The clutch mechanism is mainly composed of a jumping servo, a driving wheel, a driven wheel and a winding wheel. It also includes a housing mechanism composed of a top cover, a carbon fiber rod and a hemispherical base. The overall center of gravity of the robot is located below the centroid of the housing mechanism. The present invention can adjust a suitable motion trajectory according to the sizes of different environmental obstacles, has multiple motion modes capable of adapting to various environments, has a strong load capacity, has the ability to move continuously, and is suitable for carrying devices such as cameras and sensors to conduct reconnaissance and rescue activities in unstructured environments.

The application discloses a culture device for Mesocyclops leuckarti and application thereof, and belongs to the technical field of fish culture. The culture device for Mesocyclops leuckarti comprises a cylinder, a top cover and a bottom cover, the top cover is movably connected with the top of the cylinder, and the bottom cover is fixedly connected with the bottom of the cylinder; a collecting pipe is arranged in the cylinder, the upper portion of the collecting pipe is a silk screen, the lower portion of the collecting pipe is a closed pipe, and a first light source is arranged in the collecting pipe; a second light source and a third light source are arranged on the inner side of the cylinder, and a temperature regulator and an oxygenator are arranged on the lower portion of the inner side of the cylinder. The culture device can realize large-scale continuous high-density culture of Mesocyclops leuckarti, can be applied to preparation of a biological prevention and treatment device for fish white spot disease, can reduce the abundance of water body Paramoecium caudatum and thus reduce the probability of fish suffering from the white spot disease, can provide other food sources for the fish, is beneficial to growth and development of the fish, and enriches the aquatic food web.

The utility model discloses an ecological breeding bin based on monitoring of blackflies, and relates to the technical field of breeding containers. The ecological breeding bin comprises a bin body, and a first partition plate and a second partition plate are arranged in the bin body from top to bottom at intervals; the first partition plate and the second partition plate divide the interior of the bin body into a first breeding area, a second breeding area and a third breeding area from top to bottom, and the first partition plate is provided with a first communicating hole communicating the first breeding area with the second breeding area; the second partition plate is provided with a second communicating hole communicating with the second breeding area and the third breeding area, the hole diameter of the first communicating hole is larger than that of the second communicating hole, and blocking devices used for opening and closing the first communicating hole and the second communicating hole respectively are further arranged in the bin body. The third breeding area is further provided with an inducing device. The device can realize mixed co-culture and independent culture of the midge blackflies in one bin, and is convenient and practical.

Horse blanket for protection against insects, in particular for protection against midges and horseflies and against black flies, wherein the horse blanket has at least one 3D spacer fabric and the 3D spacer fabric consists of two layers of fabric which are connected to each other by intervening threads and are kept at a distance, characterized by a 3D spacer fabric, that with a thickness of 1.5mm to 10mm at least one layer of the spacer fabric has a mesh size of less than 0.4 mm, preferably less than or equal to 0.3 mm, even more preferably less than or equal to 0.25 mm at the largest meshes

The application discloses a Heterodera avenae pathogenic gene TaEMB3003 and application thereof. The Heterodera avenae pathogenic gene TaEMB3003 is a gene encoding a TaEMB3003 protein shown in SEQ ID NO:1. The application also protects the application of the Heterodera avenae pathogenic gene TaEMB3003 as an inhibition target in improving the resistance of plants to Heterodera avenae. The application has important guiding significance for the breeding of wheat nematode-resistant varieties and can be used for genetic engineering breeding.

The present invention discloses an antithrombotic peptide, Sibakazin, from the Banna moth fly and its application, belonging to the field of biomedicine. The antithrombotic peptide, Sibakazin, is encoded by the antithrombotic peptide gene of the blood-sucking insect Banna moth fly. It is a cyclic protein with three pairs of intramolecular disulfide bonds formed by cysteine ​​at positions 26 and 51, cysteine ​​at positions 28 and 47, and cysteine ​​at positions 36 and 71. Its amino acid sequence is shown in SEQ ID NO: 1. The antithrombotic peptide of the present invention can inhibit platelet aggregation induced by ADP or collagen and has significant thrombosis inhibition function in vivo. In addition, the antithrombotic peptide is obtained through prokaryotic expression, making it easy to produce on a large scale industrially, and can be used to prepare drugs for inhibiting platelet aggregation and treating thrombotic diseases.