. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Bonner zoologische Beiträge 55 (2006) 241 Food spectrum of Sacoglossa Several authors emphasized that sacoglossans have a very narrow food spectrum ( Thompson 1964; Clark 1975, 1994). However, the contraiy was also stated: „..., some species feed on several different food items (...), and food spectra are not so narrow as previously ; (Jensen 1980a: 73). „Tropical Ascoglossa are relatively non-specific feeders, possibly because of the higher di
. Bonner zoologische Beiträge : Herausgeber: Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn. Biology; Zoology. Bonner zoologische Beiträge 55 (2006) 241 Food spectrum of Sacoglossa Several authors emphasized that sacoglossans have a very narrow food spectrum ( Thompson 1964; Clark 1975, 1994). However, the contraiy was also stated: „..., some species feed on several different food items (...), and food spectra are not so narrow as previously ; (Jensen 1980a: 73). „Tropical Ascoglossa are relatively non-specific feeders, possibly because of the higher diver- sity of (see Table 2) foods in tropical ; (Clark & BusACCA 1978: 281). That food spectrum varies in dif- ferent taxa is evident in the genus Elysia with species feed- ing exclusively on one food species ( Elysia translii- cens on Flahellia (fomier Vdotea) petiolata, see Marín & Ros 2004) or on a high variety of food species belong- ing to completely different phyla ( Elysia crispata feed- B. T B B B B Elysia tímida Elysia obtusa Elysia macnaei Elysia spec. 5 Elysia spec. 1 Elysia ornata Elysia amakusana Elysia tomentosa Elysia viridis Elysiella pusilla Elysia benettae P. ocellatus Thuridilla gracilis Thuridilla lineolata Thuridilla hopei Thuridilla vatae Thuridilla albopustulosa Thuridilla carlsoni Thuridilla kathae Thuridilla hoffae Bosellia mimetica Cyerce spec. 2 Cyerce spec. 1 Cyerce nigricans Cyerce antillensis Cyerce edmundsi Polybranchia cf. orientalis Mourgona osumi Placida dendritica Ercolania spec. 5 Ercolania spec. 1 Volvatella viridis Juliidae Lobiger viridis Oxynoe viridis Cylindrobulla beauii Dasycladales / Cladophorales Caulerpales Cladophorales / Bryopsis / Codium Bryopsidales Bryopsldales ? Bryopsidales / Caulerpales ? Cladophorales / Bryopsis / Codium Caulerpales Caulerpales Caulerpales Dasycladales Bryopsis I Codium Cladophorales Cladophorales Caulerpales Caulerpales Caulerpales Caulerpales Fig. 8. Phylogeny of Sacogloss
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