Chrysso hyoshidai Barrion, Barrion-Dupo & Heong

Alberto T. Barrion, Aimee Lynn A. Barrion-Dupo, Josie Lynn A. Catindig, Sylvia C. Villareal, Ducheng Cai, Qianhua Yuan & Kong Luen Heong, 2016, NEW SPECIES OF SPIDERS (ARANEAE) FROM HAINAN ISLAND, CHINA, UPLB Museum Publications in Natural History 3, pp. 1-103 : 34-35

publication ID

https://doi.org/ 10.5281/zenodo.269136

DOI

https://doi.org/10.5281/zenodo.6081926

persistent identifier

https://treatment.plazi.org/id/038E87CC-2963-FFC6-FC56-E4F1FA434C37

treatment provided by

Plazi

scientific name

Chrysso hyoshidai Barrion, Barrion-Dupo & Heong
status

sp. nov.

Chrysso hyoshidai Barrion, Barrion-Dupo & Heong View in CoL , new species [ Figure 38 View Figure 38 A-E]

FEMALE. Holotype female, total length 2.50 mm. Cephalothorax length 0.90 mm, width 0.70 mm. Abdomen length 1.45 mm, width 0.95 mm. Paratype female, total length 3.20 mm.

Carapace. Yellow with a red median U-band and eye margins, 1.3x longer than wide. AME black. Chelicerae yellow with a short yellowish brown and sharply pointed fang. Promargin bears a bifurcate tooth. Retromargin toothless. Pedipalps yellow with a single claw on tarsus. Maxillae yellow, longer than wide, converge apically. Labium dark yellow with a truncate apical margin. Sternum yellow, longer than wide with rounded posterior end.

Eyes. In two rows of four each, strongly recurved AER slightly shorter than procurved PER. Eye diameter (mm): AME (0.10)> PME (0.09)> ALE=PLE (0.06). Eye separation (mm): AME-AME (0.09)> PME-PME (.07)> PME-PLE (0.06)> AME- ALE (0.023). Clypeus height 1.43x AME diameter.

Legs. Yellow, relatively long and slender with few black, long and spatulate spines. Femur I has eight small dotted transverse gray bands ventrally and femur II with one subapicoventral band. Tibiae with two subapical ring gray bands. Anterior tips of metatarsi I-IV black. Tibia I and II with two dorsal spines each, III and IV each with one. Dorsal spines on patella I apical and basal in II, III and IV. Femur I as long as metatarsus I. Leg formula 1423.

Abdomen. White dorsally with a black bottlelike median band and three reddish black transverse bands along cardiac area, basal two of three transverse bands formed transverse U-shaped anterolateral process attached to the black median band. Posterior hump-like and bulbous, bears two pairs of long spatulate spines posterolaterally. Abdomen triangular laterally, white with two black spots apically and yellow basally. Venter uniformly yellow.

Epigynum with a pair of black sickle-shaped bands facing each other and slightly visible rounded spermathecae in uncleared state. Spermathecae rounded with insemination ducts arise slightly midanterolaterally of spermathecae and loops C-shaped posteriorly developing two to three coils prior to the fertilization duct.

MALE. Unknown.

Material Examined. Holotype female (coll. no. Da 2010-4), CHINA, Hainan Island, Danzhou, 9- 13 August 2010, ATBarrion and SCVillareal, and one paratype female (coll. no. Da5), 4 April 2011, ATBarrion, JLACatindig and SCVillareal; Haiko, one paratype female (coll. no. a 2011-9) 9 April 2011, ATBarrion, JLACatindig and SCVillareal.

Diagnostic Features. This species closely resembles Chrysso spiniventris (O. P.-Cambridge, 1869) and C. lingchuanensis Zhu , and Zhang, 1992 but differs from both taxa in the following features, namely, (1) more truncated posterior end of abdomen, (2) presence of a red U-band on carapace, (3) only two pairs of abdominal spines posterolaterally, (4) slightly midanterolateral origin of insemination ducts from spermathecae, (5) femur I as long as metatarsus I, and (6) presence of a "bottle-like" black dorsal band on midabdomen.

Etymology. Patronym, in honor of Dr. Hajime Yoshida’s magnificent contributions in the systematic of Japanese Theridiidae and nearby countries.

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Theridiidae

Genus

Chrysso

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