Proboscis
Guides
Acanthocephala
thorny-headed worms, spiny-headed worms, acanthocephalans
Acanthocephala is a phylum of obligate endoparasitic worms known as thorny-headed or spiny-headed worms, characterized by an eversible proboscis armed with recurved hooks used to attach to host intestinal walls. They lack a mouth and digestive system, absorbing nutrients directly through their tegument. The phylum contains approximately 1,200–1,420 described species with complex life cycles involving arthropod intermediate hosts and vertebrate definitive hosts. Recent molecular evidence indicates they are highly modified rotifers, now sometimes classified within Syndermata or Rotifera.
Hypeninae
Hypenine Snout Moths
Hypeninae is a subfamily of moths within the family Erebidae, first described by Herrich-Schäffer in 1851. Members are commonly known as snout moths due to their elongated labial palps that project forward like a snout. The subfamily was previously classified within Noctuidae but has been reclassified to Erebidae following taxonomic revisions. A notable species, Mecistoptera griseifusa, has been documented feeding exclusively on tears using its proboscis.
Nomotettix cristatus
crested pygmy grasshopper, crested grouse locust, northern crested grouse locust
Nomotettix cristatus is a small pygmy grasshopper in the family Tetrigidae, commonly known as the crested pygmy grasshopper or crested grouse locust. It is one of approximately 35 Nearctic species of Tetrigidae. The species exhibits three recognized subspecies with distinct geographic distributions across North America. Like other members of its family, it is characterized by an elongated pronotum that extends over the abdomen, a trait distinguishing pygmy grasshoppers from typical grasshoppers in Acrididae.
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stemhumanRelevanceinteraction-with-humanssimilarTaxamust-include-reasonmisconceptionsonly-if-meaningfulextraDetailsimportant-additional-contextSTYLE-RULESclear-direct-sentencesavoid-fluff-filler-languagerepeating-taxonomy-in-proseoverly-technical-jargonconcrete-statementsabstract-descriptionsQUALITY-RULEScompleteness-highmost-fields-well-supportedcompleteness-mediumpartial-but-reliablecompleteness-lowsparse-datahasInferredContenttrue-ONLY-if-generalization-usedotherwise-falseOUTPUT-FORMATstrictly-match-JSON-schemano-extra-fieldsno-commentary-outside-JSONwater-associatedthree-subspeciesN.-c.-cristatusN.-c.-compressusN.-c.-floridanussmall-size399-observationsexact-matchmedium-completenessno-inferred-contentfactual-correctness-prioritizedconservative-approachinformative-contentno-fluffno-vague-generalizationscautious-language-where-neededno-fabricationunique-field-contentfocused-sectionsJSON-schema-complianceno-commentaryStylogaster
thick-headed fly, needle-tailed fly
Stylogaster is a genus of conopid flies distinguished by extreme morphological and biological specializations. Adults possess an elongated proboscis exceeding body length when extended, and females have a dramatically elongated abdomen folded beneath the body—the 'needle tail' referenced in the generic name. The genus is the sole member of subfamily Stylogastrinae and comprises approximately 92 species with predominant Neotropical distribution. Unlike other conopids that parasitize aculeate Hymenoptera, Stylogaster species are endoparasitoids of orthopteroid insects (crickets, cockroaches) with documented host associations also including various calyptrate Diptera.