Zygoballus iridescens
Encyclopedia
Zygoballus iridescens is a species of jumping spider
Jumping spider
The jumping spider family contains more than 500 described genera and about 5,000 described species, making it the largest family of spiders with about 13% of all species. Jumping spiders have some of the best vision among invertebrates and use it in courtship, hunting and navigation...

 which occurs in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. It is known only from a single female specimen collected in Franconia, New Hampshire
Franconia, New Hampshire
Franconia is a town in Grafton County, New Hampshire, United States. The population was 1,104 at the 2010 census. Set in the White Mountains, Franconia is home to the northern half of Franconia Notch State Park. Parts of the White Mountain National Forest are in the eastern and southern portions...

 by Annie Trumbull Slosson
Annie Trumbull Slosson
Annie Trumbull Slosson was an author and entomologist. She was the daughter of Gurdon Trumbull and Sarah Ann Trumbull of Stonington, Connecticut. Her father, Gurdon Trumbull was originally from Norwich...

.

Slosson's specimen was the basis for entomologist Nathan Banks
Nathan Banks
Nathan Banks was an American entomologist noted for his work on neuroptera, megaloptera, hymenoptera, and acarina . He started work on mites in 1880 with the USDA...

' description of the species, which was published in Canadian Entomologist
Canadian Entomologist
The Canadian Entomologist is a scientific journal of the Entomological Society of Canada, published bimonthly. It has been published continuously since 1868. Volumes 1 to 54 are freely accessible in the Biodiversity Heritage Library.-External links:**...

in 1895:


Zygoballus iridescens, nov. sp.

Length, 4.1 mm.; ceph.,1.8 mm. long, 1.4 mm. wide. Eye-region black, thoracic part reddish, both with whitish hairs and scales. Anterior femora black, black stripe above and on inner side of patella and tibia I., rest of legs pale yellowish, without any spots. Mandibles and mouth parts red-brown; sternum black. Abdomen black, clothed above and on sides with iridescent scales and long hairs; venter black, hairy, and with two indistinct rows of pale spots. Structure in general similar to Z. bettini, but the mandibles are not quite so large; and the sternum is much broader, not narrowed in front, so that the anterior coxae, which are not as long as in Z. bettini, are more widely separated. The region of the epigynum is red-brown, and is semicircular in outline; showing four pale spots, two in front close together, and one in each posterior corner. Franconia, N. H. (Mrs. Annie T. Slosson).


Arachnologists George and Elizabeth Peckham
George and Elizabeth Peckham
George Williams Peckham and Elizabeth Maria Gifford Peckham were early American teachers, taxonomists, ethologists, arachnologists, and entomologists, specializing in animal behavior and in the study of jumping spiders and wasps.-Lives and careers:George Peckham was born in Albany,...

 commented on the specimen in their 1909 work Revision of the Attidae of North America: "Iridescens B., which Mr. Banks has kindly lent us for examination, is founded upon an example which is not quite mature, and we think it may be Bettini." (Zygoballus bettini is now a synonym of Zygoballus rufipes
Zygoballus rufipes
Zygoballus rufipes, commonly called the hammerjawed jumper, is a species of jumping spider which occurs in the United States, Canada, and Central America. Adult females are 4.3 to 6 mm in body length, while males are 3 to 4 mm.-Taxonomy:...

.)

The type specimen is housed at the Museum of Comparative Zoology
Museum of Comparative Zoology
The Museum of Comparative Zoology, full name "The Louis Agassiz Museum of Comparative Zoology", often abbreviated simply to "MCZ", is a zoology museum located on the grounds of Harvard University in Cambridge, Massachusetts. It is one of three museums which collectively comprise the Harvard Museum...

, Harvard University.

External links

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