News Update on Coleoptera Research: Dec – 2019

Family-group names in Coleoptera (Insecta)

We synthesize records on all regarded extant and fossil Coleoptera family-organization names for the primary time. A catalogue of 4887 circle of relatives-group names (124 fossil, 4763 extant) based totally on 4707 distinct genera in Coleoptera is given. A overall of 4492 names are to be had, 183 of which are permanently invalid because they are based on a preoccupied or a suppressed kind genus. Names are indexed in a type framework. We recognize as valid 24 superfamilies, 211 households, 541 subfamilies, 1663 tribes and 740 subtribes. For every name, the original spelling, author, 12 months of booklet, web page number, accurate stem and sort genus are protected. The authentic spelling and availability of each call were checked from number one literature. A list of vital modifications due to Priority and Homonymy troubles, and actions taken, is given. Current utilization of names changed into conserved, on every occasion possible, to sell balance of the category. [1]

Ground beetles (Coleoptera: Carabidae) as bioindicators

One of the number one dreams of studies on bioindicators is to identifyspecies or different taxonomic devices that would reliably imply disturbances inthe surroundings, and replicate the responses of different species or the overallbiodiversity. However, there is no perfect bioindicator and selecting the mostsuitable one relies upon to a outstanding extent at the intention of the survey. In this paperwe observe the suitability of carabids as bioindicators. Carabids are frequentlyused to signify habitat alteration. They have been used in grasslands andboreal forests in which species quantity and/or abundances were noted to changealong a habitat disturbance gradient. A commonplace trend is that huge, poorlydispersing professional species lower with extended disturbance even as smallgeneralist species with desirable dispersal capacity growth. Some species are notaffected by means of mild disturbance. There is, however, now not enough studies todetermine how suitable carabids are for biodiversity studies, or how properly theyrepresent the response of other species. [2]

The Coccinellidae (Coleoptera) of America north of Mexico.

The fifty seven genera and 475 species of Coccinellidae taking place in America north of Mexico are treated taxonomically. Keys to all taxa, descriptions of the higher taxa, species diagnoses, synonymies and prey facts are protected. Two new tribes are erected, and 25 new species are described. A bankruptcy on organic manipulate regarding the family Coccinellidae consists of discussions of the delivered species mounted in North America and tables listing all of the species that have been delivered, whether set up or not. [3]

Identification of candidate chemosensory genes of Ophraella communa LeSage (Coleoptera: Chrysomelidae) based on antennal transcriptome analysis

Antennal olfaction plays a key function in insect survival, which mediates crucial behaviors like host seek, mate choice, and oviposition website online selection. As an oligophagous insect, olfaction is extraordinarily critical for Ophraella communa to find host flowers. However, statistics at the olfactory genes has been lacking in O. Communa. Using subsequent era sequencing, we assembled the antennal transcriptome of O. Communa and first reported the principal chemosensory genes necessary for olfaction in this species. In this look at, a total one hundred and five candidate chemosensory genes had been identified in O. Communa antennae, including 25 odorant-binding proteins (OBPs), eleven chemosensory proteins (CSPs), 4 sensory neuron membrane proteins (SNMPs), 30 odorant receptors (ORs), 18 ionotropic receptors (IRs), and 17 gustatory receptors (GRs). [4]

Impact of Traditional Post-harvest Practices on Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae) Infestation in Agro-ecological Zones of the Central African Republic

Maize seeds are an crucial source of vitamins for human and animal. However, an essential a part of the seed manufacturing is misplaced due to the insect attacks, specifically through the weevil S. Zeamais, a major pest of stored maize. The goal of this paintings became to examine the impact of conventional pest management device at the improvement of S. Zeamais infestation. Samples consisted of 100g of maize seeds from post-harvest. Different pest management practices (attic, polypropylene bag, sealed plastic and conservation at the cob) had been taken into consideration from farmers in exceptional localities inside the three predominant agro-ecological zones of the Central African Republic. Samples had been conserved for 2 months in keeping with the exclusive pest management practices. Damages have been assessed through counting numbers of infested seeds. Results confirmed that after  months the sealed plastic approach is the fine mode of conservation. [5]

Reference

[1] Bouchard, P., Bousquet, Y., Davies, A.E., Alonso-Zarazaga, M.A., Lawrence, J.F., Lyal, C.H., Newton, A.F., Reid, C.A., Schmitt, M., Ślipiński, S.A. and Smith, A.B., 2011. Family-group names in Coleoptera (Insecta). ZooKeys, (88), (Web Link)

[2] Rainio, J. and Niemelä, J., 2003. Ground beetles (Coleoptera: Carabidae) as bioindicators. Biodiversity & Conservation, 12(3), (Web Link)

[3] Gordon, R.D., 1985. The Coccinellidae (Coleoptera) of America north of Mexico. Journal of the New York Entomological Society, 93(1). (Web Link)

[4] Identification of candidate chemosensory genes of Ophraella communa LeSage (Coleoptera: Chrysomelidae) based on antennal transcriptome analysis
Chao Ma, Chenchen Zhao, Shaowei Cui, Yan Zhang, Guangmei Chen, Hongsong Chen, Fanghao Wan & Zhongshi Zhou
Scientific Reports volume 9, Article number: 15551 (2019) (Web Link)

[5] Aba-Toumnou, L., Wango, S. P., Kamba-Mebourou, E., Gbety, C., Bolevane-Ouatinam, S. F. and Sembene, M. (2018) “Impact of Traditional Post-harvest Practices on Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae) Infestation in Agro-ecological Zones of the Central African Republic”, Asian Research Journal of Agriculture, 10(1), (Web Link)

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