<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31409337</termId><termName>Diptera</termName><termType>PT</termType><termNote><![CDATA[ Members of an order of containing 240,000 species of insects possessing a single pair of wings on the mesothorax and hind wings that have developed into a pair of halteres on the metathorax. Insects in other orders may have the word "fly" in their name (e.g., dragonfly), but they are not true flies. ]]></termNote><termCreatedDate>2026-03-30 20:50:03</termCreatedDate><relation><relationType>UF</relationType><termId>31409338</termId><termName>flies</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31409339</termId><termName>flies, true</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31409340</termId><termName>fly</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31409341</termId><termName>true flies</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31409342</termId><termName>two-winged flies</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31370333</termId><termName>Insecta</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31435862</termId><termName>Muscidae</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31435863</termId><termName>Chaoboridae</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31486225</termId><termName>flyspeck</termName><termType>PT</termType></relation></term>  </Zthes>