Mysmenidae, Petrunkevitch, 1928

Miller, Jeremy, Griswold, Charles & Yin, Chang, 2009, The symphytognathoid spiders of the Gaoligongshan, Yunnan, China (Araneae: Araneoidea): Systematics and diversity of micro-orbweavers, ZooKeys 11 (11), pp. 9-195 : 33-35

publication ID

https://doi.org/ 10.3897/zookeys.11.160

publication LSID

lsid:zoobank.org:pub:C631A347-306E-4773-84A4-E4712329186B

DOI

https://doi.org/10.5281/zenodo.3792192

persistent identifier

https://treatment.plazi.org/id/03ACB915-FF87-740E-FF4E-45FAFBA5FDFC

treatment provided by

Plazi

scientific name

Mysmenidae
status

 

Key to Gaoligongshan Mysmenidae View in CoL View at ENA

1 Total length greater than 2mm; trichobothria on palpal tibia (Fig,. 55D); tarsal organ set distal to proximal margin of tarsus (tarsal organ position ca. 0.15, Fig. 55F View Figure 55 )......................................... Maymena Gertsch, 1960 View in CoL .......... 2

– Total length 1.5mm or less; palpal tibia without trichobothria; tarsal organ just beyond proximal margin of tarsus (tarsal organ position <0.1, Fig. 47F View Figure 47 ) ................................................................................................................... 3

2(1) Scape lateral margin notched, spermathecae separated by more than their width ( Fig. 50 View Figure 50 G-H) (male unknown) ....................... Maymena kehen View in CoL sp. n.

– Scape lateral margin not notched, spermathecae separated by their width or less ( Fig. 50F View Figure 50 ); male with elongate palpal tibia ( Fig. 54A View Figure 54 )............................. ............................................................................. Maymena paquini View in CoL sp. n.

3(1) Distal part of cymbium notched; clypeus lacking macrosetae, copulatory ducts not coiled around the fertilization ducts or coiled around fertilization ducts no more than 5 times ........................................................................ 4

– Distal part of cymbium entire ( Fig. 49B View Figure 49 ); clypeus of male with macrosetae ( Fig. 52B View Figure 52 ), long copulatory ducts coiled around the fertilization ducts more than 10 times ( Fig. 49C View Figure 49 )............................................ Chanea suukyii View in CoL sp. n.

4(3) Femoral spots absent. Male with two moderate to strong setae near the base of each chelicera ( Figs 38A View Figure 38 , 46D View Figure 46 )......................... Gaoligonga View in CoL gen. n......... 5

– Femoral spots present on femur I in both sexes. Macrosetae absent from male cheliceral bases............................................................................................ 6

5(4) Male with two strong macrosetae near the base of each chelicerae ( Fig. 38A View Figure 38 , 40 View Figure 40 E-F); embolic tip tapered ( Fig. 40C View Figure 40 ); with cymbial tooth ( Fig. 40B View Figure 40 ). Female with well sclerotized ventral plate of the epigynum with ridges radiating out from a raised knob (Figs 41A, 43A), reniform spermathecae, and sinuous ducts.................................................................. Gaoligonga changya View in CoL sp. n.

– Male with weak macrosetae near the base of each chelicerae ( Fig. 44A View Figure 44 ), embolic tip expanded ( Fig. 46B View Figure 46 ); cymbial tooth absent. Female epigynum and raised knob less strongly sclerotized, spermathecae not strongly differentiated from nearly longitudinal ducts; Figs 43 View Figure 43 D-E, 47D)........................................ ............................................................................ Gaoligonga zhusun View in CoL sp. n.

6(4) Male with four macrosetae on tibia I ( Fig. 34F View Figure 34 ); female with spermathecae and spiraling copulatory ducts encapsulated together (Figs 31D, F, H-I)… ............... Simaoa View in CoL gen. n. (male unknown in S. maku View in CoL and S. bianjing View in CoL ) ....... 7

– Male tibia I with fewer than four macrosetae or lacking these altogether; female with spermathecae and copulatory ducts separate, not encapsulated together ....................................................................................................... 12

7(6) Males.......................................................................................................... 8

– Females....................................................................................................... 9

8(7) Palpal tibia long, with dorsal tooth-like apophysis ( Fig. 34C View Figure 34 ); embolus makes a half turn ( Fig. 33B View Figure 33 ) ................................................... Simaoa yaojia View in CoL sp. n.

– Palpal tibia short, lacking dorsal tooth-like apophysis; embolus makes more than a full turn ( Fig. 36A View Figure 36 ).................................... Simaoa kavanaugh View in CoL sp. n.

9(7) Epigynum with two transverse lobes, a raised anterior lobe and a low posterior lobe along epigastric furrow ( Figs 30D View Figure 30 , 37F View Figure 37 )...................................... 10

– Epigynum with small posteriorly projecting process, lacking a transverse anterior lobe (Fig. 31H) ............................................................................... 11

10(9) Copulatory ducts longitudinal (Fig. 31D); anterior lobe of epigynum narrow, fitting in the space between the spermathecae (Fig. 31C-D).......................... .................................................................................... Simaoa yaojia View in CoL sp. n.

– Copulatory ducts oblique (Fig. 31F); anterior lobe of epigynum wider than distance between spermathecae (Fig. 31E) ........... Simaoa kavanaugh View in CoL sp. n.

11(9) Abdomen lacking posterior tubercle; fertilization ducts run towards each oth- er after emerging from the copulatory duct spiral (Fig. 31H)........................ ..................................................................................... Simaoa maku View in CoL sp. n.

– Abdomen with posterior tubercle; fertilization ducts run obliquely anteriorly (Fig. 31I) ................................................................. Simaoa bianjing View in CoL sp. n.

12(6) Females..................................................................................................... 13

– Males ( Mysmena View in CoL only; males of Mosu View in CoL are unknown) ................................. 20

13(12) Vulva with round, sclerotized spermathecae with sclerotized fertilization ducts and the copulatory duct membranous and convoluted for most of its length, sclerotized at end of path near spermathecae ( Fig. 43G, I View Figure 43 )................. .................................................................................... Mosu View in CoL gen. n......... 14

Vulva not as above...................................... Mysmena Simon, 1894 View in CoL ......... 15

14(13) Spermathecae bulbous ( Fig. 43G View Figure 43 ), membranous copulatory ducts in contact in the posteromedial region ( Fig. 43G View Figure 43 ), abdomen with posterior tubercle..... ..................................................................................... Mosu nujiang View in CoL sp. n.

– Spermathecae transversely ovoid ( Fig. 43I View Figure 43 ); membranous copulatory ducts separated (Fig. 31I); abdomen without posterior tubercle ..... Mosu huogou View in CoL sp. n.

15(13) Epigynum with scape................................................................................ 16

– Epigynum lacking scape............................................................................ 18

16(15) Scape thicker basally than distally (Figs 18D, 21D.................................... 17

– Scape of more or less uniform from base to rounded tip, long, soft, wrinkled (Fig. 18B) .......................................................... Mysmena changouzi View in CoL sp. n.

17(16) Epigynum a triangular scape, thick basally, evenly narrowed distally (Fig. 21D), tip with small posteriorly-directed process ( Fig. 25F View Figure 25 ). Sclerotized portion of spermatheca/copulatory duct complexes separated by about 1.5 times their width (Fig. 21E) ................................................... Mysmena bizi View in CoL sp. n.

– Epigynum a scape, base soft and wrinkled, projects ventrally, distal tip curves posteriorly (Fig. 18D). Sclerotized portion of spermatheca/copulatory duct complexes separated by nearly twice their width (Fig. 21C) .......................... ............................................................................... Mysmena jinlong View in CoL sp. n.

18(15) Spermathecae simple and round to oval, distinct from lightly sclerotized copulatory ducts (Figs 21I, 31B) .................................................................... 19

Vulva with a spermatheca/copulatory duct complex (Fig. 21G) .................... ............................................................................... Mysmena goudao View in CoL sp. n.

19(18) Spermathecae separated by about 1.5 times their diameter, the path of the fertilization ducts J-shaped (Fig. 21I); posterior abdominal tubercle absent... ................................................................................ Mysmena haban View in CoL sp. n.

– Spermathecae separated by nearly three times their diameter in, the path of the fertilization ducts sinuous (Fig. 31B); posterior abdominal tubercle present ( Fig. 27F View Figure 27 ) .................................................... Mysmena shibali View in CoL sp. n.

20(12) Clypeus convex......................................................................................... 21

– Clypeus with distinctive, nose-like process ( Fig. 24E View Figure 24 ).... Mysmena bizi View in CoL sp. n.

21(20) Cymbial groove studded with tubercles ( Fig. 29B View Figure 29 )... Mysmena goudao View in CoL sp. n.

– Cymbial groove with folds (Fig. 17A) ................ Mysmena changouzi View in CoL sp. n.

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Mysmenidae

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