Five new species from different tribes of the family Onychiuridae, namely Heteraphorura kaprusi sp. nov. (Hymenaphorurini), Deuteraphorura dashtenazensis sp. nov. and Onychiuroides mazandaranensis sp. nov. (Onychiurini), Protaphorura hyrcanica sp. nov. and P. iranica sp. nov. (Protaphorurini), from different Caspian Hyrcanian Mixed Forests in the Northern Iranian province of Mazandaran are described and illustrated. H. kaprusi sp. nov. belongs to the oriental species-group of the genus characterized by granulated vesicles in PAO, D. dashtenazensis sp. nov.—to the group of Deuteraphorura species with 1+1 pso on Th. I, and with 3+3 pso on the posterior part of head and Th. II–Abd. III tergites, O. mazandaranensis sp. nov.—to the group of Onychiuroides with 4 papillae and 5 chaetae on AIIIO, P. hyrcanica sp. nov. and P. iranica sp. nov.—to the group of Protaphorura species with 3 pso on Ant. base, 2+2 pso on Th. II and subcoxae 1 of legs II–III without pso. In addition two other species have been found in the same forests: Protaphorura sakatoi (Yosii, 1966) and Protaphorura golestanica Kaprus’, Shayanmehr & Kahrarian, 2017 (second record of the species). An identification key of the 30 species of Onychiuridae recorded so far from Iran is given.
The focus of this study was to extend investigations on Collembola fauna in parts of Hyrcanian forests -Hezarjirib forests, located near Neka in Mazandaran province. For this, irregular samplings from leaf litter and soil in different localities were done during 2020-2021. The springtail specimens were extracted by Berlese funnel and after permanent slide mounting identified by relevant taxonomic keys. It resulted in the identification of 25 species belonging to eight families and 19 genera. Three species including Hypogastrura papillata Gisin, 1949 (Hypogastruridae), Lepidocyrtus bicoloris Mateos, 2012 (Entomobryidae) and Folsomia trisetata Jordana & Ardanaz, 1981 (Isotomidae) were recorded for the first time from Iran. Brief information for each species including the material studied, distribution and some illustrations of the new records are given.
In this study the biodiversity and relative abundance of Collembola was evaluated in two different ecosystems, citrus orchard and forest in Mazandaran province, Iran. Samples were carried out during 2016 and 2017. Species richness, biodiversity and the indices of similarity were calculated. The results of T-Test showed that in two years (2016 and 2017), the values of Shannon-Wiener diversity and Simpson species diversity index were significantly different between sampling areas (Pvalue<0.05), but the values of Margalef richness and Pielou evenness index were not significantly (Pvalue˃0.05). In the year 2016, Shannon-Wiener index, Simpson index, Pielou evenness and Margalef species richness in Dasht-e Naz forest were 1.92 ± 0.1, 0.83 ± 0.03, 2.01 ± 0.2 and 0.94 ± 0.04 respectively, and in citrus orchard were 1.44 ± 0.11, 0.73 ± 0.02, 1.46 ± 0.37 and 0.9 ± 0.03 respectively. Also, in the year 2017, Shannon-Wiener index, Simpson index, Pielou evenness and Margalef species richness in Dasht-e Naz forest were 1.79 ± 0.05, 0.81 ± 0.08, 1.38 ± 0.25 and 0.94 ± 0.09 respectively, and in citrus orchard were 0.98 ± 0.22, 0.58 ± 0.08, 1.02 ± 0.35 and 0.95 ± 0.05 respectively. In general, the results showed that the abundance and biodiversity of Collembola in Dasht-e Naz forest was higher than in citrus orchard.
Two new species of the genus Pseudachorutes, namely P. hyrcanicus sp. nov. and P. kurdistanicus sp. nov., are described based on materials from different parts of Iran. P. hyrcanicus sp. nov. seem to be especially similar to Pseudachorutes dubius Krausbauer, 1898 and Pseudachorutes vitalii Kaprus’ & Weiner, 2009, two congeners with the same labral formula (4/2,3,4), shape of apical bulb (trilobed) and details of chaetotaxy (unpaired chaeta d1 present and a0 absent on head, a2 chaeta absent on Tht. II and III, m row chaetae present on Abdt. IV, tibiotarsi I-III with 18, 18, 17 chaetae respectively), but are distinguished by the number of chaetae on Tht. I (4+4 in P. dubius, 3+3 in P. vitalii and P. hyrcanicus sp. nov.) and Abdt. IV (11+11 in P. dubius and P. hyrcanicus sp.nov. and 14(15) + 14 in P. vitalii), number of teeth at mandible (two in P. dubius and P. vitalii and four in P. hyrcanicus sp.nov.) and claw (lateral teeth present in P. dubius and P. vitalii and absent in P. hyrcanicus sp.nov.). Pseudachorutes kurdistanicus sp. nov. is related to P. laricis Arbea & Jordana,1989 and P. vasylii Kaprus’ & Weiner, 2009 because of the same type of chaetotaxy of head (d1 chaetae present and a0 chaeta absent), Tht. I (3+3 chaetae), Tht. II-III (without a2 chaeta), Abdt. IV (m row chaetae absent), Abdt. V (a2 and p2 chaetae absent) and the absence of lateral teeth on claws. The last three species differ in number of vesicles in PAO (11–12 in P. kurdistanicus sp. nov., 4–6 in P. vasylii and 7-9–7-9 in P. laricis), shape of apical vesicle on Ant. IV. (trilobed in P. kurdistanicus sp. nov. and simple or slightly bilobed in the other two species), labral formula (4/2,3,4 in a new species, 2/2,3,3,4 in P. laricis and 2/3,3,4 in P. vasylii) and number of chaetae on tibiotarsi I-III (18, 18, 17 in a new species and 19, 19, 18 in the other two species). An identification key of the species of Pseudachorutes recorded so far from Iran is given.
Four new species of the subfamily Neanurinae, namely Cryptonura dohezarensis sp. nov., Cryptonura abmalensis sp. nov., Cryptonura sariensis sp. nov. and Neanura persica sp. nov. from different forests in the Northern Iranian province of Mazandaran are described and illustrated. C. dohezarensis sp. nov. is characterized by body without pigment, dorsal tubercles rounded, mandible with 3 teeth, tubercles Cl and Af on head separate, tubercles Di on Th II–III with 3 chaetae and tubercle L on Abd III with 3 chaetae; C. abmalensis sp. nov.—by body with bluish pigment, dorsal tubercles triangular, mandible with 4 teeth, tubercles Cl and Af on head fused, chaetae A on head absent, tubercles L on Abd II and III with 4 chaetae and tubercle De+Dl+L on Abd V with 5 ordinary chaetae; C. sariensis sp. nov.—by body with bluish pigment, dorsal tubercles rounded, mandible with 5 teeth, tubercles Cl and Af on head separate and a reduced dorsal chaetotaxy; N. persica sp. nov. belongs to the group of Neanura with ventral chaetae L’ on Abd V, without chaetae Ocp on the head and tubercles Di on Th I absent, and is characterized by one character unknown in other members of the genus, e.g., the fusion of cephalic tubercles Cl and Af. In addition four other taxa have been found in the same forests: Cryptonura persica Smolis et al., 2012 and three species that may represent new species but there is insufficient material available to prepare full descriptions (one species in the genus Cryptonura, one in Vitronura and one in Endonura). An identification key of the genus and species of Neanurinae recorded so far from Iran is given.
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