Per Fly

<strong>Quelle:</strong> <span lang="en">Anonymous</span><span style="display:none">Unknown author</span> - 1911 Encyclopædia Britannica volume 14, "Hymenoptera" article, pages 178–180; <a rel="nofollow" class="external free" href="https://www.gutenberg.org/files/40370/40370-h/40370-h.htm#ar22">https://www.gutenberg.org/files/40370/40370-h/40370-h.htm#ar22</a>

<strong>Quelle:</strong> UK Government - UK Government photo

<strong>Quelle:</strong> <bdi><a href="https://www.wikidata.org/wiki/Q71171454" class="extiw" title="d:Q71171454"><span title="American photographer">Bill Ingalls</span></a> </bdi> - <a rel="nofollow" class="external free" href="http://spaceflight.nasa.gov/gallery/images/shuttle/sts-129/html/sts129-s-005.html">http://spaceflight.nasa.gov/gallery/images/shuttle/sts-129/html/sts129-s-005.html</a>

<strong>Quelle:</strong> Mike Sharp - User: (WT-shared) 2old at wts wikivoyage - <span class="int-own-work" lang="en">Own work</span>

<strong>Quelle:</strong> <a href="//commons.wikimedia.org/w/index.php?title=User:Kenny_McFly&amp;action=edit&amp;redlink=1" class="new" title="User:Kenny McFly (page does not exist)">Kenny McFly</a> - <span class="int-own-work" lang="en">Own work</span>

<strong>Quelle:</strong> <a href="//commons.wikimedia.org/w/index.php?title=User:Kenny_McFly&amp;action=edit&amp;redlink=1" class="new" title="User:Kenny McFly (page does not exist)">Kenny McFly</a> - <span class="int-own-work" lang="en">Own work</span>

<strong>Quelle:</strong> <a href="//commons.wikimedia.org/w/index.php?title=User:Kenny_McFly&amp;action=edit&amp;redlink=1" class="new" title="User:Kenny McFly (page does not exist)">Kenny McFly</a> - <span class="int-own-work" lang="en">Own work</span>

<strong>Quelle:</strong> <a href="//commons.wikimedia.org/w/index.php?title=User:Kenny_McFly&amp;action=edit&amp;redlink=1" class="new" title="User:Kenny McFly (page does not exist)">Kenny McFly</a> - <span class="int-own-work" lang="en">Own work</span>

<strong>Quelle:</strong> -

<strong>Quelle:</strong> Nasa/Jpl - <a rel="nofollow" class="external free" href="https://m.youtube.com/watch?v=JM_2hmdRnfQ">https://m.youtube.com/watch?v=JM_2hmdRnfQ</a>