Theridiosomatidae

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 : 20-21

publication ID	https://doi.org/ 10.3897/zookeys.11.160
publication LSID	lsid:zoobank.org:pub:C631A347-306E-4773-84A4-E4712329186B
persistent identifier	https://treatment.plazi.org/id/03ACB915-FF94-7418-FF4E-402AFBA5FAD5
treatment provided by	Plazi
scientific name	Theridiosomatidae
status

Treatment

Key to Gaoligongshan Theridiosomatidae View in CoL View at ENA

1 Females ....................................................................................................... 2

Males.......................................................................................................... 9

2(1) Abdomen subtriangular, tapered posteriorly ( Fig. 8B View Figure 8 ). Spermathecae separated by nearly their diameter ( Fig. 11F View Figure 11 )... Coddingtonia euryopoides View in CoL sp. n.

– Abdomen subspherical, not distinctly tapered posteriorly. Spermathecae juxtaposed ( Fig. 3D View Figure 3 )........................................................................................ 3

3(2) Scape protrudes from beneath epigynal plate ( Figs 11C View Figure 11 , 14C)...................... ............................................................................. Wendilgarda muji View in CoL sp. n.

– Scape absent ( Fig. 11A View Figure 11 ) or if present ( Fig. 3E View Figure 3 ) then a simple extension of the epigynal plate.............................................................................................. 4

4(3) Posterior median eyes separated by at least their diameter ( Fig. 4C View Figure 4 ).............. ..................................................................... Ogulnius barbandrewsi View in CoL sp. n.

– Posterior median eyes separated by less than their diameter......................... 5

5(4) Epigynum subtriangular, pointed posteriorly with concave margins so medial part is more acute than lateral part ( Fig. 3E View Figure 3 )......... Baalzebub nemesis View in CoL sp. n.

– Epigynum otherwise, typically subrectangular ( Fig. 11A View Figure 11 )............................ 6

6(5) Epigynum with a deep atrium, height of opening about one third the width in posterior view ( Fig. 3B View Figure 3 ), without fleshy tissue at posterior margin of epigynum. Lateral pits absent....................................... Epeirotypus dalong View in CoL sp. n.

– Atrium absent ( Fig. 3F View Figure 3 ) or slit-like (Fig. 13A), height of opening (if visible) much less than one third the width in posterior view. Region between posterior margin of epigynum and abdomen often with fleshy tissue ( Fig. 3F View Figure 3 ). Lateral pits present ( Fig. 9B View Figure 9 ) ....................................................................... 7

7(6) Epigynum with pair of processes arising from posterolateral margin running towards each other ( Fig. 3H View Figure 3 ) ........................ Theridiosoma shuangbi View in CoL sp. n.

– Epigynum without pair of processes arising from posterolateral margin ...... 8

8(7) Posterior margin of epigynum with median longitudinal slit ( Figs 3F View Figure 3 , 9A View Figure 9 ). Abdomen tan with dark gray with silver patches ........................................... ........................................................................ Theridiosoma diwang View in CoL sp. n.

– Posterior margin of epigynum entire ( Fig. 11A View Figure 11 ). Abdomen dark gray with silver patches forming curved transverse stripe (Fig. l0A) .............................. ................................................................................... Zoma dibaiyin View in CoL sp. n.

9(1) With long, filliform embolic apophysis ( Figs 4G View Figure 4 , 14A)............................. 10

– Embolic apophysis absent ( Fig. 2C View Figure 2 )..................... Epeirotypus dalong View in CoL sp. n.

10(9) Posterior median eyes separated by about their diameter............................... ..................................................................... Ogulnius barbandrewsi View in CoL sp. n.

– Posterior median eyes separated by less than half their diameter................ 11

11(10) Palpal tibia with one trichobothrium. Median apophysis sclerotized with concave dorsal margin (Fig. 12E).......................... Wendilgarda muji View in CoL sp. n.

– Palpal tibia with two trichobothria. Median apophysis fleshy, with pointed dorsal apex (Fig. 10D) ................................................ Zoma dibaiyin View in CoL sp. n.