שפריריות מצגות קלריטה ואפרים מצגת שנייה.

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Presentation transcript:

שפריריות מצגות קלריטה ואפרים מצגת שנייה

שפריריות (שם מדעי: Zygoptera) הן תת-סדרה בסדרת השפיראים במנוחה, כנפי השפריריות הבוגרות מוחזקות לאורך הגוף ובמקביל אליו. השפריריות אינן יכולות ללכת. השם Zygoptera מגיע מן היוונית - zygo משמעו "מחובר" או "זוגי", ו-ptera הן כנפיים. לשפריריות שני זוגות של כנפיים דומות, בניגוד לשפיריות (Anisoptera) שכנפיהן האחוריות רחבות יותר.

כנפים צמודות שפרירית הדורה את השפיריות ממיינים לשתי תת-סדרות: שפיריות (Anisoptera): שוני כנפיים, כנפיהן האחוריות גדולות יותר, רחבות יותר במקום חיבורן לגוף, ובעת מנוחה הן פרושות. (dragonflies) שפריריות (Zygoptera): שווי כנפיים, ארבע כנפיהן זהות בגודלן, צרות בבסיסן, וצמודות זו לזו בעת מנוחה. (damselflies) במצגת זו אנו נתמקד בשפריריות כנפים צמודות שפרירית הדורה

View of the underside of the head of a coenagrionid nymph, showing the labium, an ingenious mechanism that can extend forward by two hinges, and is used to catch prey from a distance

השפריריות עוברות גלגול חסר, עם שלב נימפה שוכן מים השפריריות עוברות גלגול חסר, עם שלב נימפה שוכן מים. הנקבה מטילה את הביצים במים, לפעמים מתחת לצמחיה או במרומי העצים בין עלים ובמקומות אחרים שבהם נקווים מים. הנימפות ניזונות מדפניות, זחלי יתושים ואורגניזמים שוכני מים קטנים אחרים. לשם כך הן מצוידות בלסתות מוארכות, דומות לאלו של נימפות השפיריות. זימי הנימפה חיצוניים לגוף וגדולים, ודומים לשלושה סניפים בקצה הבטן. לאחר כמה מחזורי השלה מגיח הבוגר המכונף, הניזון מזבובים, יתושים וחרקים קטנים אחרים. כמה מהמינים הטרופיים הגדולים ניזונים גם מעכבישים.

Damselfly nymph

Zygoptera Exuvie ((שלד או נשל ממנו הגיחה השפרירית Exuviae is a term used in biology to describe the remains of an exoskeleton and related structures that are left after ecdysozoans [verification needed] (including insect, crustacean or arachnid) have moulted. The exuviae of an animal can be important to biologists as it can often be used to identify the species of the animal and even its sex.

Argia agrioides-Copulating

Pyrrhosoma nymphula - mating

Damselflies complete a life cycle in one or two years. Enallagma civile

These insects cannot fold their wings flat against the body - dragonflies hold them straight out to the sides, damselflies hold then vertically toward the rear. Both families mate in flight and lay their eggs in or close to the water

השם Zygoptera מגיע מן היוונית - zygo משמעו "מחובר" או "זוגי", ו-ptera הן כנפים. לשפריריות שני זוגות של כנפיים דומות, בניגוד לשפיריות (Anisoptera) שכנפיהן האחוריות רחבות יותר.

Enallagma cyathigerum Male

Eastern billabong fly (Austroagrion watsoni) (female), taken at Tea Tree, Tasmania, Australia

Calopteryx virgo

Calopterix haemorroidalis male

Calopteryx Xantostoma male

Mating Prodasineur croconota damselflies.

Oregon Damselfly.

רוב השפריריות קטנות בהרבה מהשפיריות, כפי שנראה בצילומים אלה.

Argia apicalis (Zygoptera)

White-legged Damselfly (Platycnemis pennipes) בצילום זה מבחינים בבירור באחד המאפיינים של השפריריות: העינים מופרדות ובולטות משני צדי הראש.

Eastern billabong fly (Austroagrion watsoni) (female), taken at Tea Tree, Tasmania, Australia

(calopteryx maculata) Ebony Jewelwing (calopteryx maculata)

American Rubyspot Damselfly - Hetaerina americana

Banded Demoiselle (Calopteryx splendens) Male

Hetaerina americana (American Rubyspot), male female

Lestes congener (Spotted Spreadwing), male female

Ebony Jewelwing (calopteryx maculata)

Mating pair of Ebony Jewelwing (calopteryx maculata)

Helocordulia uhleri (Uhler's Sundragon), female Celithemis elisa (Calico Pennant), male Helocordulia uhleri (Uhler's Sundragon), female

White-legged Damselfly (Platycnemis pennipes)

Rhinocypha bisignata (Stream ruby)

Sapphire Rockmasters are large damselflies with thick body Sapphire Rockmasters are large damselflies with thick body. They rest with wings spread, much look like dragonflies. They likes to perch on the vegetations about a meter over the running water. When we went near them, they flied away while we were still two meters away. They flied to a higher position and keep watching at us. They returned to the same spot after we went away.

Euphaea yaeyamana

Protosticta taipokauensis

(Calopteryx maculata) Ebony Jewelwing (Calopteryx maculata)

American Rubyspot Damselfly - Hetaerina americana

Banded Demoiselle Male

White-legged Damselfly Platycnemis pennipes White-legged Damselfly

Familiar Bluet Enallagma civile female Familiar Bluet Enallagma civile male

Red Red Winged

הנכם מוזמנים להיכנס לאתר שלנו: לצפייה במצגת הראשונה על השפיריות: http://www.clarita-efraim.com/UploadedFiles קלריטה ואפרים הנכם מוזמנים להיכנס לאתר שלנו: www.clarita-efraim.com chefetze@netvision/net.il

http://en.wikipedia.org/wiki/Damselfly מקורות: http://he.wikipedia.שפריריות http://en.wikipedia.org/wiki/Damselfly http://www.dragonfly-site.com/ http://www.ucmp.berkeley.edu/arthropoda/ http://www.naturephoto-cz.com/dragonflies http://plaza.ufl.edu/dcollins/MDOdonata.html http://odonata.lifedesks.org/image http://www.harpercollege.edu/ls-hs http://www.dragonhunter.net/species.html http://www.naturephoto-cz.com/dragonflies- http://www.naturspaziergang.de/Libellen/ http://raulgilnaturalezaypesca.blogspot.co.il/ http://www.panoramio.com/photo/92683020