{"id":222,"date":"2012-12-21T17:43:57","date_gmt":"2012-12-21T17:43:57","guid":{"rendered":"http:\/\/bedbugfoundation.org\/?page_id=222"},"modified":"2020-02-25T16:10:23","modified_gmt":"2020-02-25T16:10:23","slug":"identification","status":"publish","type":"page","link":"https:\/\/www.bedbugfoundation.org\/sv\/bed-bug-biology\/identification\/","title":{"rendered":"Identifiering"},"content":{"rendered":"

Live Stages<\/strong><\/p>\n

Eftersom s\u00e4ngbaggar inte har n\u00e5got larvstadium \u00e4r dessa k\u00e4nnetecken synliga i alla stadier av livscykeln (utom i \u00e4gget).<\/p>\n

\"Sk\u00e4rmdump<\/a><\/p>\n

\u00c4gg<\/strong><\/p>\n

\u00c4ggen fr\u00e5n s\u00e4ngbaggar \u00e4r sm\u00e5 (ca 1,2 mm l\u00e5nga), men kan l\u00e4tt (med erfarenhet) skiljas fr\u00e5n \u00e4ggen fr\u00e5n andra hush\u00e5llsinsekter.<\/p>\n

Under f\u00f6rstoring kan man l\u00e4tt skilja mellan kl\u00e4ckta och livsdugliga \u00e4gg. Livskraftiga \u00e4gg \u00e4r p\u00e4rlf\u00e4rgade och under de senare utvecklingsstadierna syns det utvecklade embryots \u00f6gonfl\u00e4ckar genom \u00e4ggskalet. Kl\u00e4ckta \u00e4gg k\u00e4nns igen p\u00e5 att de saknar en \u00e4ndkapsel och att de \u00e4r genomskinliga.<\/p>\n

\"Sk\u00e4rmdump<\/a><\/p>\n

Skinn av gjutning<\/strong><\/p>\n

\"Sk\u00e4rmdump<\/a><\/p>\n

Med erfarenhet kan man l\u00e4tt skilja s\u00e4ngbaggarens gjutna skinn fr\u00e5n andra insekters skinn. De kan dock vara l\u00e5ngvariga och kan d\u00e4rf\u00f6r inte anv\u00e4ndas f\u00f6r att skilja mellan aktiva och tidigare angrepp.<\/p>\n

Fekala fl\u00e4ckar<\/strong><\/p>\n

S\u00e4ngbaggar b\u00f6rjar producera m\u00f6rka, vattenhaltiga avf\u00f6ringsprodukter s\u00e5 snart de har \u00e4tit. Dessa fekaliska fl\u00e4ckar \u00e4r ofta en av de f\u00f6rsta indikatorerna p\u00e5 ett angrepp. Svarta, bl\u00e4ckliknande fl\u00e4ckar p\u00e5 lakanen, madrassen eller s\u00e4ngstommen \u00e4r ett av de tydligaste k\u00e4nnetecknen p\u00e5 att det r\u00f6r sig om s\u00e4ngbaggar. Mycket likartade fl\u00e4ckar kan dock bildas av spindlar, flugor och tyska kackerlackor, s\u00e5 platsen kan vara en viktig faktor n\u00e4r det g\u00e4ller att skilja dem \u00e5t. Fl\u00e4ckar som hittas h\u00f6gt upp p\u00e5 v\u00e4ggarna, i taket eller p\u00e5 armaturer \u00e4r mycket troligare att de orsakas av flugor. Kitt f\u00f6r identifiering av blod har visat sig vara lovande n\u00e4r det g\u00e4ller att skilja avf\u00f6ring fr\u00e5n blod\u00e4tande insekter, t.ex. s\u00e4ngbaggar, fr\u00e5n andra ryggradsl\u00f6sa djur i hush\u00e5llet.<\/p>\n

Avf\u00f6ringsfl\u00e4ckar kan variera i f\u00e4rg fr\u00e5n svart till brunt beroende p\u00e5 den relativa proportionen av sm\u00e4lt blod och urinsyra. Utseendet p\u00e5 fekaliernas fl\u00e4ckar p\u00e5verkas ocks\u00e5 av hur absorberande substratet \u00e4r som de avs\u00e4tts p\u00e5. Fekaliska fl\u00e4ckar som avs\u00e4tts p\u00e5 absorberande ytor, t.ex. s\u00e4nglakan, \u00e4r inb\u00e4ddade i fibrerna och liknar bl\u00e4ck fr\u00e5n en reservoarpenna. Faecesfl\u00e4ckar p\u00e5 icke absorberande ytor, t.ex. lackerat tr\u00e4, torkar ofta som en m\u00f6rk, upph\u00f6jd klump.<\/p>\n

\"Sk\u00e4rmdump<\/a><\/p>\n

\"Sk\u00e4rmdump<\/a><\/p>\n

Bites<\/strong><\/p>\n

S\u00e4ngbaggar livn\u00e4r sig p\u00e5 utsatt hud och f\u00f6redrar ofta att inte kl\u00e4ttra upp p\u00e5 v\u00e4rddjuret n\u00e4r de livn\u00e4r sig. Detta kan leda till att bett uppst\u00e5r i rader n\u00e4r de r\u00f6r sig l\u00e4ngs kanten av den exponerade huden f\u00f6r att leta efter en l\u00e4mplig f\u00f6dos\u00f6kslokal.<\/p>\n

Bett b\u00f6r aldrig betraktas som ett avg\u00f6rande tecken p\u00e5 att det r\u00f6r sig om ett angrepp av v\u00e4ggl\u00f6ss, eftersom de kan orsakas av en rad andra insekter, t.ex. myggor, myggor, loppor och l\u00f6ss. Liknande reaktioner kan ocks\u00e5 orsakas av skabbkvalster och en m\u00e4ngd olika allergener.<\/p>\n

Reaktionerna p\u00e5 bett av s\u00e4ngbaggar \u00e4r mycket varierande fr\u00e5n person till person. Vissa har ingen reaktion alls, medan andra f\u00e5r starka, bl\u00e5sande reaktioner. Allvarligare (anafylaktiska) systemiska reaktioner \u00e4r s\u00e4llsynta men har rapporterats.<\/p>\n

\"bett<\/a><\/p>\n

Hudreaktionen p\u00e5 ett bett av en v\u00e4gglus kan vara f\u00f6rdr\u00f6jd i upp till tv\u00e5 veckor, s\u00e4rskilt om det \u00e4r f\u00f6rsta g\u00e5ngen som den drabbade blir biten. Om personen nyligen har rest kan det d\u00e4rf\u00f6r vara sv\u00e5rt att fastst\u00e4lla exakt var och n\u00e4r bettet intr\u00e4ffade. Detta kan leda till den falska tron att de har tagit med sig s\u00e4ngbaggar hem eller alternativt leda till f\u00f6rseningar i uppt\u00e4ckten av ett angrepp.<\/p>\n

S\u00e4ngbaggar \u00e4ter vanligtvis p\u00e5 natten, men de \u00e4r mycket anpassningsbara och anpassar sin matningscykel beroende p\u00e5 v\u00e4rdens dagliga r\u00f6relser. Stolar och soffor blir ofta angripna i situationer d\u00e4r personen sitter p\u00e5 samma st\u00e4lle st\u00f6rre delen av dagen. I s\u00e5dana situationer tvingas s\u00e4ngbaggarna att \u00e4ta under dagen, medan v\u00e4rden \u00e4r n\u00e4rvarande.<\/p>","protected":false},"excerpt":{"rendered":"

Levande stadier Eftersom s\u00e4ngbaggar inte har n\u00e5got larvstadium \u00e4r dessa egenskaper synliga i alla stadier av livscykeln (utom \u00e4gget). \u00c4gg \u00c4gget hos s\u00e4ngbaggar \u00e4r litet (ca 1,2 mm l\u00e5ngt), men l\u00e4tt att urskilja (med ... Forts\u00e4tt l\u00e4sa \u2192<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"parent":216,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"class_list":["post-222","page","type-page","status-publish","hentry"],"yoast_head":"\nIdentification - Bed Bug Foundation<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bedbugfoundation.org\/sv\/bed-bug-biology\/identification\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Identification - Bed Bug Foundation\" \/>\n<meta property=\"og:description\" content=\"Live Stages As bed bugs do not have a larval stage, these features are visible at all stages of the lifecycle (except the egg). 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