<documentid="56ECDCEFCD08F3698DE2D4893B154D11"ID-CLB-Dataset="30280"ID-DOI="http://dx.doi.org/10.3897/zookeys.750.22764"ID-GBIF-Dataset="7ff38f0d-a829-46e1-bb83-279a5ac3e7f9"ID-PMC="PMC5913165"ID-Pensoft-Pub="1313-2970-750-1"ID-PubMed="29692642"ID-ZooBank="B10B5506EF9F477480F4BC5A776FA266"ModsDocAuthor=""ModsDocDate="2018"ModsDocID="1313-2970-750-1"ModsDocOrigin="ZooKeys 750"ModsDocTitle="Isotomidae of Japan and the Asiatic part of Russia. I. Folsomia ‘inoculata’ group"checkinTime="1523946630104"checkinUser="pensoft"docAuthor="Potapov, Mikhail, Hasegawa, Motohiro, Kuznetsova, Natalia, Babenko, Anatoly & Kuprin, Alexander"docDate="2018"docId="DBEFA8EE2FA6C791C0F65EA2E5DD05F0"docLanguage="en"docName="ZooKeys 750: 1-40"docOrigin="ZooKeys 750"docSource="http://dx.doi.org/10.3897/zookeys.750.22764"docTitle="Folsomia breviseta Potapov & Kuznetsova, sp. n."docType="treatment"docUuid="62BCDE0A-6F11-4162-B7EA-58A0B2061542"docUuidSource="ZooBank"docVersion="10"lastPageNumber="6"masterDocId="0E4C810EFFCDFFB4FF83FF88FF90FFDC"masterDocTitle="Isotomidae of Japan and the Asiatic part of Russia. I. Folsomia ' inoculata' group"masterLastPageNumber="40"masterPageNumber="1"pageNumber="5"updateTime="1732880922503"updateUser="ExternalLinkService">
<taxonomicNameid="508B1404D6BC452DE19B66EA2FBFDD97"LSID="http://zoobank.org/62BCDE0A-6F11-4162-B7EA-58A0B2061542"authority="Potapov & Kuznetsova"family="Isotomidae"genus="Folsomia"higherTaxonomySource="treatment-meta"kingdom="Animalia"lsidName="Folsomia breviseta"order="Collembola"pageId="4"pageNumber="5"rank="species"species="breviseta">Folsomia breviseta Potapov & Kuznetsova</taxonomicName>
Holotype, female, Russia, NE Yakutia, Middle Indigirka, near Ust-Nera, 700 m alt., larch forest with thick lichen cover, litter, 22.vii.1992. Ten paratypes from the same biotope, five paratypes from mountain tundra (1500 m alt.) with bushes of
and one paratype from mosses in stony niche on northern slope (1600 m alt.) in the same location. All collected by N. Kuznetsova and M. Potapov. Deposited in MSPU.
<paragraphid="4D333B9F2652308A073106EFE003A844"pageId="4"pageNumber="5">Blind. Dorsal macrosetae (Md) present on both Th.II and Th.III. Sensillary formula complete (43/22235; 10/100). Medial s-setae on body tergites short, set in anterior position. Macrosetae short. Ventral setae on Th.III absent. Anterior side of manubrium normally with 2+2 setae, dens with 18-22 anterior setae. Mucro bidentate.</paragraph>
usually well developed, PAO length 1.8-1.9 as long as width of Ant.I and 2.3-2.5 as long as inner unguis length (Fig. 14). Labium complete, guard setae e7 present, three proximal and four basomedian setae. Ventral side of head with 4+4 postlabial setae. Ant.I with 13-15 common setae, two ventral s-setae (s) and three basal micro s-setae (bms): two dorsal bms (short and long) and one ventral bms. Ant.II with three bms and one latero-distal s, Ant.III with one bms and four distal s (lateral s absent, Fig. 15). Several tubular s-setae on Ant.IV. Organite small.
Common setae short. Sensillary formula as 43/22235 (s) and 10/100 (ms). S-setae short, four s-setae on dorsal side of Abd.V longer. Medial s-setae on Th.
between Md and Mdl (Figs 16, 17). Abd.V with five s-setae arranged as three in dorsal position, thin, as long as common setae (as, accp1, accp2), one lateral, thicker than dorsal, and one latero-ventral, short (
pattern) (Fig. 18), accp3 s-setae subequal to accp2. Macrosetae smooth and short, 2,2/3,3,3 in number, medial ones on Abd.V much shorter than dens (2.3-3.1) and 1.8-2.3 times longer than mucro (Fig. 18). Axial chaetotaxy as 10
9 setae, respectively. Coxae of leg I with two front setae. Ventral tube with 4+4 latero-distal and 5-7 posterior setae (two in distal transversal row and 3-5 in more proximal position), anteriorly without setae. Tenaculum with 4+4 teeth and a seta. Anterior furcal subcoxae with 12-15, posterior one with six setae. Anterior side of manubrium normally with 2+2 setae at distal edge, arranged in two longitudinal lines (Fig. 19). One additional seta often present on one side in a distance from main group resulting in 2+3 set (Fig. 11). One of the paratypes shows 2+1 anterior setae on manubrium (Fig. 20). Posterior side of manubrium with 4+4 latero-basal, two apical setae (ap), 2+2 setae in distal transversal row (M1, L1), two pairs of lateral setae, and 5
6 in central part (Fig. 11). Dens with 18-22 anterior setae. Posterior side of dens crenulated and with seven setae: four basal, two at the middle, and one (not especially small) at base of mucro (Fig. 11). Mucro bidentate. Ratio of manubrium: dens: mucro = 4.1-4.5: 5.1-5.8: 1. Males present.
sp. n. 15Ant.III (area of common position of lateral s-setae marked) 16-17 Position of macrosetae, setae of p-row, and s-setae on posterior (16) and anterior (17) half of corpus 18 Chaetotaxy of Abd.
sp. n. combines several characters rare for the group: short macrosetae and s-setae, anterior position of medial s-setae on body tergites, the absence of ventral setae on Th.III. A loss of lateral s-setae on Ant.III is a very peculiar character while the nature of this character is not easy to interpret since all species of the family
<paragraphid="9A15BF0C96816043CC5169B6A115E22E"pageId="5"pageNumber="6">Distribution and ecology.</paragraph>
<paragraphid="F8E801059AA7D8B1C8C785D6844C03BB"pageId="5"pageNumber="6">The species is known only from the type locality where it inhabits mountain forests and tundra.</paragraph>
