File:Buletinul Societatii de Sciinte din Bucuresci, România = Bulletin de la Société des sciences de Bucarest, Roumanie (1892-1911.) (20411601812).jpg

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Title: Buletinul Societatii de Sciinte din Bucuresci, România = Bulletin de la Société des sciences de Bucarest, Roumanie
Identifier: buletinulsocieta16soci (find matches)
Year: 1892-1911. (1890s)
Authors: Societatea de Stiinte din Bucuresti
Subjects: Science
Publisher: Bucuresti : Societatea
Contributing Library: American Museum of Natural History Library
Digitizing Sponsor: American Museum of Natural History Library

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164 BULETINUL SOCIETĂŢII DE ŞTIINŢE
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Fig. 25. Un sternite de rabdomen de Meg. bomy cina. (oc 2 obj a^ zeiss) Des sin reduit de moitie. fois. Le resultat est que la poussiere de la surface de l'antenne est retenue par Ies dents et la lame du velum. Vers l'arriere du tibia des pattes moyennes et post^rieures on trouve deux racleurs (fior. 23 P) dont la structure est identiqiie a celle du velum, mais n'ayant pas de lame (fig. 24 M, P.). Entre ces organes et Ies corps de la patte, comme avec Ies deux parties d'une pince, l'insecte saisit toutes Ies substances etrangeres qui se deposent â la surface du corps. Ouelquefois l'insecte croise ses pattes Pune sur l'autre pour Ies nettoyer entre elles, grâce aux racleurs cor- respondants. Ah point de vue morphologique ii faut considerer le velum et Ies racleurs comme des poils modifies. Ils ont une couche chitineuse externe (fig. 24 P.) et a Tinterieur une couche de moelle. Sur un des cotes du poil se developpent des ecailles en forme de dents qui representent Ies branches des poils ramifies, Parmi Ies organes de nettoyage ii faut consi- derer aussi ies poils raides qui se trouvent surtout sur Ies metatars des pattes, ces poils servent comme Ies brins d'une brosse. Surtout quand l'insecte passe de la phase de subimago a celle d'imago et doit jeter l'exuvie, on voit comme ii s'efforce de jeter Ies derniers morceaux de l'exu- vie avec Ies brosses des pattes. 4. Uappareil de recoltage. II est represente par Ies brosses ventrales abdominales. Les ster- nites de Tabdomen ont la forme d'arcs rectan- gulaires (fig. 25) disposes transversalement, Plu- sieurs series de poils recolteurs caracteristiques commencent a se fixer vers leur lio-ne medio-trans- o versale, de sorte que le sternite a l'aspect d'un peigne a plusieurs rangees de dents. Regard^s avec attention, ces poils ont leur racine en forme de bulbe et la structure est dif- ferente, selon que l'on considere la base ou le sommet du poil. A la base on trouve l'ecorce et la moelle qui ne / Fig. 26. Une por- tion d'un poil recol- teurdeMeg. bomby- cina (oc 1 obj im- mersion Leitz). c = l'ecorce, m = moelle.

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Volume
InfoField
1907
Flickr tags
InfoField
  • bookid:buletinulsocieta16soci
  • bookyear:1892-1911.
  • bookdecade:1890
  • bookcentury:1800
  • bookauthor:Societatea_de_Stiinte_din_Bucuresti
  • booksubject:Science
  • bookpublisher:Bucuresti_Societatea
  • bookcontributor:American_Museum_of_Natural_History_Library
  • booksponsor:American_Museum_of_Natural_History_Library
  • bookleafnumber:172
  • bookcollection:americanmuseumnaturalhistory
  • bookcollection:biodiversity
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
9 August 2015



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current17:52, 21 September 2015Thumbnail for version as of 17:52, 21 September 2015454 × 354 (69 KB) (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Title''': Buletinul Societatii de Sciinte din Bucuresci, România = Bulletin de la Société des sciences de Bucarest, Roumanie<br> '''Identifier''': buletinulsocieta16soci ([https://comm...

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