This spider belongs to a family of spiders known for resting in a small silken retreat or sac during the day. The yellow sac spider is a nighttime hunter which feeds on small insects and possibly even other spiders. As they wander about in search of prey they sometimes crawl onto people sitting on a couch or lying in bed. The spider may then bite the person one or more times.The yellow sac spider likely accounts for more bites on people than any spider in the United States. Fortunately, the venom of this spider produces minimal effects. The bite usually forms a hard, reddened area that may measure from one inch to several inches in diameter, depending on the individual's reaction to the venom. A white pustule typically forms at the bite site. Although the wound does not become ulcerating, it should be cleansed and disinfected. Any person receiving any perceived spider bite should consult a physician for treatment.
Jumping spiders are among the spiders more commonly seen around homes because they are active during the day. They are recognized by their stout, robust bodies, quick movements, and remarkable feats of jumping.They have two very large eyes in the bottom front row of eyes which they use to locate prey during their daytime hunting forays
House spiders are responsible for most of the cobwebs seen inside buildings. Cobwebs are actually old webs that have collected dirt such that they become easily visible. The spiderlings float, or "balloon," on tiny strands of silk onto buildings from wooded areas or fields. Once on the building they construct webs outside or crawl inside to find a suitable web site. Flying insects make up most of their diet, so these spiders are most common around windows and doorways.The body ranges up to 3/8-inch in length, with a spherical abdomen. They are typically brown or tan with various markings on the abdomen.
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Thisspiderbelongstoafamilyofspidersknown forrestinginasmallsilkenretreatorsacduring theday.Theyellowsacspiderisanighttime hunterwhichfeedsonsmallinsectsandpossibly evenotherspiders.Astheywanderaboutin searchofpreytheysometimescrawlontopeople sittingonacouchorlyinginbed.Thespidermay then bite the person one or more times.Theyellowsacspiderlikelyaccountsformore bitesonpeoplethananyspiderintheUnited States.Fortunately,thevenomofthisspider producesminimaleffects.Thebiteusuallyformsa hard,reddenedareathatmaymeasurefromone inchtoseveralinchesindiameter,dependingon theindividual'sreactiontothevenom.Awhite pustuletypicallyformsatthebitesite.Although thewounddoesnotbecomeulcerating,itshould becleansedanddisinfected.Anypersonreceiving anyperceivedspiderbiteshouldconsulta physician for treatment.
Jumpingspidersareamongthespidersmore commonlyseenaroundhomesbecausetheyare activeduringtheday.Theyarerecognizedbytheir stout,robustbodies,quickmovements,and remarkable feats of jumping.Theyhavetwoverylargeeyesinthebottomfront rowofeyeswhichtheyusetolocatepreyduring their daytime hunting forays
Housespidersareresponsibleformostofthe cobwebsseeninsidebuildings.Cobwebsareactually oldwebsthathavecollecteddirtsuchthatthey becomeeasilyvisible.Thespiderlingsfloat,or "balloon,"ontinystrandsofsilkontobuildingsfrom woodedareasorfields.Onceonthebuildingthey constructwebsoutsideorcrawlinsidetofinda suitablewebsite.Flyinginsectsmakeupmostof theirdiet,sothesespidersaremostcommon around windows and doorways.Thebodyrangesupto3/8-inchinlength,witha sphericalabdomen.Theyaretypicallybrownortan with various markings on the abdomen.