58 



AMERICAN SPIDERS AND THEIR SPINNINGWORK 



to a readier comparison from which to get clearer light, if possible, upon 

 some questions on the general relations between hosts and guests. ^ Tiie 

 fii'st column gives the name of the spider, when known, the second column 

 the name of the parasite, the third cohmui the character of the parasitism : — 



Argiope copliiiiaria. 



Argiope argentata. 

 Epeira cavatiea. 

 Epfira (unknown). 



Epeira cavatiea. 

 Epeira strix (?). 



Epeira diademata. 



Epeira cucurbitma. 

 Epeira antriada (?). 

 Epeira cueiirbitina. 

 Epeira angulaUi. 



a it 



Epeirid cocoon. 



Theridium spirale (?). 

 Theridiuni (unknown). 

 Steatoda 1iore;dis. 

 Jjinypliia couiuuinis. 

 Laljulla iuconstans. 

 Theridiuni 

 Theridium 



Dictyna volupis. 

 Micaria (unknown). 



Orbweavers. 



Pezoma<;hus (?) n. sp. 



rimpla rufopectus. 



Pimpla .«criptifrons. 



IMe.stocharis wilderi. 



Chrysoeharis b.mksii. 



Chrysocharis j)ikei. 



Eupebnus piceus. 



Large unknown larva. 



Pimpla rufopectus. 



Holcopelte nitens.^ 



Bfeus americanus. 



Pezomachus dimidiatus (?). 



Pezomachus gracile (?). 



Polyspliincta ktekelei. 



Polyspbincta .strigis. 



Hemiteles simihs.* 



Hemiteles tristator.* 



Pimpla oculatoria.* 



Polyspliincta boijps.* 



Polyspliincta carboiiator.* 



Poly si)liin eta rufipes.* 



Polysphincta carbonator. 

 (( it * 



Polyspliincta tuberosa.* 

 Pimpla aiiuilonia (?). 

 Mestocharis wilderi. 

 Tetraslichus banksii.' 



Lineweavers. 



Polysphinctji n. sp. 

 Pezomachus fasciatus.* 

 Polysphincta n. sji. 



Polysphincta theridii. 

 Polysphincta boops.* 



Tubeweavers. 



Polysphincta dictyiire. 

 Pezomachus micarise. 



Egg parasite. 



Body parasite.' 

 Egg parasite. 



Body parasite. 



(t (> 



Egg parasite. 



U it 



Body parasite. 



Egg parasite. 



Body parasite. 



Body parasite. 

 Egg parasite. 



' Those species marked with stars (*) are European species. 

 - Within the body. 



^ Probably hyperparasitic, primarily infesting some Ichneuiiionid in the spider's cocoon. 

 How'ard. 



* Hyperparasitic. Howard. 



