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Xenochasma Emeljanov, 2011

(according to FLOW data updated on February 7 2025)
This synthesis is built dynamically and automatically from data in FLOW. They might be incomplete!
Help to make this synthesis more relevant by reporting and sending missing referenced data to FLOW.

1. Xenochasma Emeljanov, 2011 taxonomy

Xenochasma Emeljanov, 2011 is currently considered as a valid taxon of genus rank in the family Dictyopharidae Spinola, 1839 of the Fulgoromorpha. This genus was first described by Emeljanov A. F. in 2011 in the following paper: Improved tribal delimitation of the subfamily Dictyopharinae and description of new genera and new species (Homoptera, Fulgoroidea, Dictyopharidae) [in Russian]. Entomologicheskoe Obozrenie, XC(2) : 299-328.

It is currently classified in order Hemiptera Linné, 1758, suborder Fulgoromorpha Evans, 1946, superfamily Fulgoroidea Latreille, 1807, family Dictyopharidae Spinola, 1839, subfamily Dictyopharinae Spinola, 1839, tribe Nersiini Emeljanov, 1983.

Xenochasma is monospecific. The type species of the genus is Xenochasma rectirostris (Spinola, 1852).

Xenochasma is an extant taxon.

2. Xenochasma Emeljanov, 2011 geographical distribution and bioregions

According to the geographical TDWG standard (2001), Xenochasma Emeljanov, 2011 are known from the Neotropical biogeographical region as defined by Wallace (1876). More precisely, they are distributed in the South American zoogeographic region as defined by Holt (2013). Figures 1 and 2 display dynamic graphs showcasing the longitudinal and latitudinal profiles of Xenochasma Emeljanov, 2011 arround the across the globe according to their species richness. A scroll on the histogram bars displays the species richness of the corresponding regions.



3. Xenochasma Emeljanov, 2011 biological interactions

As all planthoppers, Xenochasma Emeljanov, 2011 are obligatory phytophagous terrestrial insects; they mainly feed on host plants belonging to the following orders: Rosales (Rosaceae) and Sapindales (Anacardiaceae).
Figure 3a depicts the orders of plants on which Xenochasma Emeljanov, 2011 feeds, and figure 3b the percentage they represent in the diet for the entire genus. Figures 4a and 4b do the same more precisely for the family level of these plants.

Figure 3. Information on plants orders used for feeding by Xenochasma Emeljanov, 2011.
Figure 4. Information on plants families used for feeding by Xenochasma Emeljanov, 2011

References:

  • Bourgoin Th. 2025 - FLOW (Fulgoromorpha Lists on The Web): a world knowledge base dedicated to Fulgoromorpha. Version 8, updated 7-February-2025. http://flow.hemiptera-databases.org/flow/
  • Brummitt R. K. 2001 - World geographical scheme for recording plant distributions. Edition 2. TDWG 136pp. updated 08-May-2007. http://www.tdwg.org/standards/109/
  • Emeljanov A. F. 2011 - Improved tribal delimitation of the subfamily Dictyopharinae and description of new genera and new species (Homoptera, Fulgoroidea, Dictyopharidae) [in Russian]. Entomologicheskoe Obozrenie, XC(2) : 299-328
  • Holt B. G. et al. 2013 - An Update of Wallace's Zoogeographic Regions of the World. Science, 339: 74-78.
  • Linné C. 1758 - Systema Naturae. Editio Decima, reformata. 1: 824 pp.
  • Wallace A. R. 1876 - The Geographical Distribution of Animals. Cambridge University Press, Cambridge.