Counting Atoms In Compounds Chemistry Worksheet West Linn Wilsonville School District

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Counting Atoms In Compounds Chemistry Worksheet West Linn Wilsonville School District – A first account of the phytophysical diversity, larval characters and laboratory rearing of the extinct cobblestone beetle Cicendellidia marginipennis, Dezin, 1831 with observations on their natural history.

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Counting Atoms In Compounds Chemistry Worksheet West Linn Wilsonville School District

Counting Atoms In Compounds Chemistry Worksheet West Linn Wilsonville School District

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A survey of the Brazilian Dicranocentrus Short (Collembola, Archeselidae, Heteromurini) and description of a new species and notes on the genus

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Laboratório de Collembola, Departamento de Botânica e Zoologia, Centro de Biociências, Universidade Federal do Rio Grande do Norte-UFRN, BR 101, Lagoa Nova, Campus Universitário, Natal-570

Laboratório de Sistemática e Ecologia de Invertebrados do Solo, Instituto Nacional de Pesquisas da Amazônia-INPA, COBIO/Entomologia, Campus II, Petrópolis, Manaus 69067-375, Brazil

Received: 15 September 2020 / Revised: 24 September 2020 / Accepted: 27 September 2020 / Published: 16 October 2020

Counting Atoms In Compounds Chemistry Worksheet West Linn Wilsonville School District

Springtails (Collembola) are microarthropods commonly found in soil-associated, terrestrial habitats. Dicranocentrus Schött is one of the most representative genera of the springtail family Orchesellidae Börner, with 69 species described in tropical regions of the world. Here we describe a new Brazilian species of the genus, particularly data on its chaetotaxy, a comparative study of the shape and arrangement of body chaetae. We use such data to compare and better understand the morphology of other species in the genus and to better identify them using comparative tables and identification keys.

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Dicranocentrus Schott is the most diverse and widespread taxon of the Neotropical Orchacelidae. The genus is represented by 11 species found in humid forests of the Atlantic and Amazon forests of Brazil. Here we describe in detail Dicranocentrus abestado sp. November From Chapada Diamantina, Caatinga Domain, Brazil. The new species belongs to the Maria group sensu Marie-Mut because many of the posterior macrochaetae are absent on the dorsal head and resembles other Neotropical species with 3, 2 and 2 central macrochaetae on abdominal segments I–III. However, the new species is unique, especially because of its color pattern combined with its complex morphology. We compare Dicranocentrus abestado sp. November including 27 other New and Old World taxa, including all species with 3 macrochaetes on first abdominal segment; Provide comparative species morphological notes and descriptions and identification keys for all species of the genus with Brazilian and similar abdominal Chaetotaxy. We discuss current taxonomic knowledge of Brazilian Dicranocentrus and provide notes on its chaetotaxy and heteromurine systematics.

Entomobryoidea Womersley, 1934 [1] is the largest superfamily of springtails with over 2500 described species. The superfamily comprises about 28% of all known Collembola species and is currently divided into three families: Orchesellidae Börner, 1906 [4], Entomobryidae Schäffer, 1896 [5] and Paronellidae Börner, 1906 [4]. 2019 [2]. Entomobryoidea of ​​Brazil is represented by 159 species, about 36% of known Brazilian springtails, distributed in three families and 23 genera [6], of which the family Orchesellidae is represented by two subfamilies, four tribes, five genera and 17 species. , summarized in Table 1.

Dicranocentrus Schött, 1893 [7] has a pantropical distribution and is the second largest genus of Orchesellidae with 69 named species out of about 100 species after Orchesella Templeton, 1836 [8] . Dicranocentrus is the most widespread and species-rich genus of the Neotropical Orchacelidae [9, 10, 11]. Its species are epidaphic, often in soil, litter, attached to mosses, rooted wood and epiphytes, and are rarely found in warm nests [12, 13]. The main diagnostic characters of the genus are six-segmented antennae (antenna segments I and II subdivided), 8 eyes, prelabral lick simple (unsegmented), single outer tooth and dental spine, if present, simple (detailed diagnosis. Results presented in caption ) ) [12, 14, 15]. Currently, there are 11 species of Dicranocentrus known from Brazil, found in humid forests of the Atlantic and Amazon forests (Table 1) [6, 13, 16, 17, 18, 19, 20, 21].

Here, we describe a new species of Brazilian Dichronocentrus in detail and compare its relationships with 27 other species. We provide comparative tables of Brazilian species as well as updated diagnoses for species with similar abdominal chaetotaxy, discuss current knowledge of Brazilian Dicranocentrus, and provide notes on chaetotaxy and systematics of the genus Heteromurinae.

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Specimens of the new species were preserved in 70% ethanol and mounted with a stereomicroscope Leica S8AP0 (Leica, Wetzlar, Germany). Then, they were removed from Nesbitt’s solution, washed with Earle’s solution and mounted on glass slides through Hoyer following the procedure described by Earle and Mendonza [16] and Jordana et al. [33], with several adaptations. Glass slide specimens were studied with Leica DM500 (Leica, Wetzlar, Germany) and DM750 (Leica, Wetzlar, Germany) microscopes, both attached to painted tubes. The habit of the new species was imaged with a stereomicroscope Nikon SMZ1500 (Nikon, Tokyo, Japan) attached to a Nikon DS-Ri1 camera (Nikon, Tokyo, Japan) using NIS-Elements AR v.4.51.00 software (NIS-Elements). 4.51.00) photograph taken. Tokyo, Japan). Photographs and raw drawings were digitally enhanced in Corel Photo-Paint X8 (Corel, Ottawa, Canada) and CorelDraw X8 software (Corel, Ottawa, Canada), respectively.

The chaetotaxy terminology used in this study largely follows Fesselberg [34] in labial palp papillae; Gysin [35] on labial chaetotoxicity with additions to Zhang and Pan [36]; Cipolla et al. [37] in labral chaetotoxicity; Marie-Moot [12] on dorsal head chaetotoxicity with the addition of Soto-Adams [38] and Zhang et al. [15]; S-chaetotaxy from Szeptycki [39] and Zhang and Deharveng [26]; Septicki [40] in dorsal chaetotaxy with additions and modifications given by Soto-Adams [38], Cipolla et al. [14] and Zhang et al. [2, 41].

Abbreviations used in description are: abd.—part(s) of abdomen; Ants.—Antennal segment(s); mac- macrochaeta(e); mes- mesochaeta(e); mic- microchaeta(e); ms-S-microchaeta(e); sense-normal S-chaeta(e); and Th.-thoracic part(s). Antennal segment I and II subsegments are: “a” to proximal subarticle, “b” to distal one. Deposit Abbreviation: CC/UFRN—Collembola Collection of the Federal University of Biosciences Center, Rio Grande do Norte, Brazil; INPA—Invertebrate Collection of the National Amazonian Research Institute, Manaus, Brazil.

Counting Atoms In Compounds Chemistry Worksheet West Linn Wilsonville School District

Symbols used in the drawings to represent surface chitotaxy schemes are: large open circles for Mac; I have big dark circles; Small black circle for mic; Empty circle with a small black circle inside Mac or Mic; black mat-like drawing sensation or ms; Black circle through a line for a pseudopore; Drawing like Bothriotrich; An underscore or underscores present or absent from any symbol. Taxonomy description and comparison based on partial body. Chaetae labeled (with rows) and labial papillae are marked in bold in the text.

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Diagnosis: Specimens mostly pigmented, color pattern variable, eye patches black. Antennae six-segmented, ant. I and II basally divided, proximal subdivisions shorter than distal ones, ant. III is usually longer than ant. IV, rarely equal or smaller; Apical bulb of ant. Absence of IV; Ant III-IV ankles, without scales. Posttennal organ absent. eight eyes The prelabral mat is smooth and simple (not divided). Labial chaetae and smooth; Posterior labial quadrant (anterior fold around cephalic notch) lick smooth or rough, never ciliate. M. II is not projected onto the head. Abd. V sense 4 or 7 (degenerate). Ungues with a single outer tooth. Common tooth spines present or absent. Mucronal spines present. Data were adapted and modified from Marie-Moot [12], Cipolla et al. [14], Zhang et al. [15] and Xisto and Mendonça [43].

Remarks: presence of rounded and/or truncate rough ciliate scales and sensory and MS formulas of dorsal th. II to Abd. III = 2, 2| 1, 3, 3 and 1, 0| 1, 0, 1, respectively, short Abd. IV (less than twice length of Abd. III at midline) and depressed bidentate mucro genera at diagnosis.

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