Taiyutyla amicitia, Shear & Richart & Wong, 2020

Shear, William A., Richart, Casey H. & Wong, Victoria L., 2020, The millipede family Conotylidae in northwestern North America, with a complete bibliography of the family (Diplopoda, Chordeumatida, Heterochordeumatidea, Conotyloidea), Zootaxa 4753 (1), pp. 1-78 : 13

publication ID

https://doi.org/ 10.11646/zootaxa.4753.1.1

publication LSID

lsid:zoobank.org:pub:AA9F66B3-EF8C-4F6B-8F35-0BCBEE5122ED

DOI

https://doi.org/10.5281/zenodo.4341551

persistent identifier

https://treatment.plazi.org/id/131D87EF-FFA5-FF94-FFDC-5DF3FEF6F92A

treatment provided by

Felipe

scientific name

Taiyutyla amicitia
status

sp. nov.

Taiyutyla amicitia View in CoL , new species

Figs. 27–36 View FIGS View FIGS

Types: Male holotype, 16 male and 8 female paratypes from IDAHO: Kootenai Co., Beauty Creek, Idaho Panhandle National Forests , 47.6031°N, - 116.6453°W, collected 8 November 2004, by C. Richart, W. Leonard, J. Baugh GoogleMaps .

Diagnosis: Taiyutyla amicitia is unique in having femoral knobs only on legpairs four and five.

Etymology: The species is named to commemorate the friendship that formed over millipede species discovery (L., amicitia , a noun in apposition) between WAS, CHR and William P. Leonard.

Description: Paratype male from Beauty Creek: Length, 10.0 mm. Twenty-two ocelli in triangular eyepatch. Metazonites with low shoulders on all trunk rings from three to 25. Color light brown, marked darker purplish brown, markings more distinct anteriorly. Legpairs one and two reduced, three to seven enlarged, mesal knobs present only on femora four and five, mesal and large on both ( Figs. 32–36 View FIGS ). Anterior gonopods ( Figs. 27, 28 View FIGS , 36 View FIGS ) simple, with short, triangular process subdistally. Posterior gonopod coxites ( Fig. 29 View FIGS , 31 View FIGS ) complicated, with T-shaped branch (T, Fig. 29 View FIGS ) originating subdistally, a strong, triangular tooth at its base; this branch with two long, thin processes, the more distal one set with small teeth. Terminus of coxite strongly hooked. Legpair 10 coxae of normal size, with small glands, legpair 11 femora with long, thin, dorsally directed knobs.

Female 14.5 mm long, similar to male in nonsexual characters.

Distribution: IDAHO: Shoshone Co., Hobo Cedar Grove Botanical Area, Idaho Panhandle National Forests, elev. 1295 m., 47.0880°N - 116.1152°W, 14 October 2006, W. Leonard, C. Richart, A. Fusek, Habitat: oldgrowth Tsuga heterophylla , Thuja plicata , Abies grandis , under litter and woody debris, m f (CAS).

Notes: This species, the first Taiyutyla from Idaho, is syntopic with Brunsonia pulchra , n. sp. (see below) at Beauty Creek, the type locality for both of them. The original collection was mixed, and after the two species were sorted out by size, the gonopod differences became apparent. Taiyutyla amicitia is perhaps the Taiyutyla species closest in gonopod form (particularly the posterior gonopod coxites) to some Bifurcatella , n. gen. species, but the large femoral knobs on legpair five and the somewhat larger body size argue for including it in Taiyutyla .

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