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@ARTICLE{Blanke:224247,
author = {Blanke, Alexander and Ruehr, Peter and Mokso, Rajmund and
Villanueva, Pablo and Wilde, Fabian and Stampanoni, Marco
and Uesugi, Kentaro and Machida, Ryuichiro and Misof,
Bernhard},
title = {{S}tructural mouthpart interaction evolved already in the
earliest lineages of insects},
journal = {Proceedings of the Royal Society of London / B},
volume = {282},
number = {1812},
issn = {1471-2954},
address = {London},
publisher = {The Royal Society},
reportid = {PUBDB-2015-03452},
pages = {20151033 -},
year = {2015},
abstract = {n butterflies, bees, flies and true bugs specific
mouthparts are in close contact or even fused to enable
piercing, sucking or sponging of particular food sources.
The common phenomenon behind these mouthpart types is a
complex composed of several consecutive mouthparts which
structurally interact during food uptake. The single
mouthparts are thus only functional in conjunction with
other adjacent mouthparts, which is fundamentally different
to biting–chewing. It is, however, unclear when structural
mouthpart interaction (SMI) evolved since this principle
obviously occurred multiple times independently in several
extant and extinct winged insect groups. Here, we report a
new type of SMI in two of the earliest wingless hexapod
lineages—Diplura and Collembola. We found that the
mandible and maxilla interact with each other via an
articulatory stud at the dorsal side of the maxillary
stipes, and they are furthermore supported by structures of
the hypopharynxand head capsule. These interactions are
crucial stabilizing elements during food uptake. The
presence of SMI in these ancestrally wingless insects, and
its absence in those crustacean groups probably ancestral to
insects, indicates that SMI is a groundplan apomorphy of
insects. Our results thus contradict the currently
established view of insect mouthpart evolution that
biting–chewing mouthparts without any form of SMI are the
ancestral configuration. Furthermore, SMIs occur in the
earliest insects in a high anatomical variety. SMIs in
stemgroup representatives of insects may have triggered
efficient exploitation and fast adaptation to new
terrestrial food sources much earlier thanpreviously
supposed.},
cin = {DOOR},
ddc = {570},
cid = {I:(DE-H253)HAS-User-20120731},
pnm = {6G3 - PETRA III (POF3-622) / FS-Proposal: I-20120065
(I-20120065)},
pid = {G:(DE-HGF)POF3-6G3 / G:(DE-H253)I-20120065},
experiment = {EXP:(DE-H253)P-P05-20150101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000362305500013},
pubmed = {pmid:26203002},
doi = {10.1098/rspb.2015.1033},
url = {https://bib-pubdb1.desy.de/record/224247},
}