Neohydatothrips

Species-level identification requires examination of pronotal sculpture patterns, abdominal microtrichia distribution, and antennal segment morphology. The genus is distinguished from related Sericothripinae by structural features of the pronotum and abdominal tergites.

Found on leaves and flowers of host plants across diverse vegetation types. Specific microhabitat varies by species: N. variabilis occurs on soybean vegetation, N. signifer infests yellow passion fruit crops, N. samayunkur inhabits marigold flowers, and N. burungae is associated with avocado orchards.

Widely distributed globally. Approximately 70% of species occur in the New World. Documented from North America, South America, Europe, Asia (China, India, southern China), and Africa (Egypt). Specific regional records include: Colombia (Huila), Mexico, Spain, southern Italy, Assam (northeastern India), and Guizhou (China).

Population dynamics are climate-driven. N. signifer populations peak during flowering periods and decline under higher rainfall. Abundance correlates positively with minimum temperature and negatively with relative humidity.

Phytophagous. Feeds on leaves and flowers of diverse host plants including soybean (Glycine max), yellow passion fruit (Passiflora edulis f. flavicarpa), marigold (Tagetes spp.), jasmine (Jasminum sambac), avocado (Persea americana), cotton (Gossypium), Sida spp., Manglietia fordiana, and species in Pinaceae and Betulaceae.

• Glycine max - FOODPrimary host of N. variabilis
• Passiflora edulis f. flavicarpa - FOODHost of N. signifer
• Tagetes erecta - FOODHost of N. samayunkur
• Jasminum sambac - FOODHost of new species from Assam, India
• Persea americana - FOODHost of N. burungae
• Gossypium - FOODOriginal description of N. gracilipes from cotton damage
• Sida spp. - FOODAssociated with N. gracilipes
• Manglietia fordiana - FOODHost of N. flavicingulus
• Passiflora spp. - FOODN. burungae distorts young leaves
• Pinaceae - FOODN. gracilicornis damages members of this family
• Betulaceae - FOODN. gracilicornis damages members of this family

Hemimetabolous development with egg, two larval instars, prepupal and pupal stages, and adult. N. variabilis females produce 9–12 haploid male eggs per female via arrhenotoky (arrhenotokous parthenogenesis). Virus infection in N. variabilis decreases population doubling time and alters life table parameters.

Cryptic behavior on host plants makes detection and monitoring challenging. N. variabilis exhibits egg-laying behavior involving insertion of eggs into parenchymatous tissue alongside leaf veins using a rocking movement of ovipositor valves. N. signifer shows increased attraction to kairomone p-anisaldehyde, which can be exploited for mass trapping.

Phytophagous herbivores; some species are economically important plant pests. N. variabilis serves as vector for soybean vein necrosis orthotospovirus (SVNV). Virus infection enhances vector population performance by increasing intrinsic rate of increase and finite rate of increase. Some species may serve as prey for generalist predators such as Orius insidiosus.

Several species are significant agricultural pests. N. variabilis damages soybean and transmits SVNV, reducing yields. N. signifer limits export potential of Colombian yellow passion fruit by causing phytosanitary compliance issues. N. samayunkur damages marigold flowers and leaves. N. burungae damages avocado crops. Integrated management strategies combining climate prediction models, targeted insecticide applications, and kairomone-based mass trapping have been developed for pest species.

• FrankliniellaBoth are thrips in family Thripidae with phytophagous habits and virus vector capability; Frankliniella species (F. tritici, F. fusca) have been evaluated as alternative vectors for SVNV alongside N. variabilis
• SericothripsBoth belong to subfamily Sericothripinae; morphological distinction requires examination of pronotal and abdominal characters
• HydatothripsSimilar genus name and subfamily placement; distinguished by structural features of pronotum and abdominal tergites

• thrips
• Thripidae
• Sericothripinae
• phytophagous
• pest
• virus vector
• soybean
• passion fruit
• agriculture
• integrated pest management
• arrhenotoky
• parthenogenesis
• climate-driven population dynamics
• kairomone
• mass trapping

• BugGuide
• Wikipedia
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy
• Catalogue of Life
• How a Molecular Biologist Found Her Way to Insect Science
• A new species of Neohydatothrips (Thysanoptera: Sericothripinae) from China
• A new species of Neohydatothrips (Thysanoptera: Thripidae) from India
• A New Species ofNeohydatothripsAssociated with Avocado in Mexico
• Morphology of the Female Reproductive System of the Soybean Thrips, Neohydatothrips variabilis (Beach, 1896) (Thysanoptera: Thripidae)
• Life history characteristics of Orius insidiosus (Say) fed diets of soybean aphid, Aphis glycines Matsumura and soybean thrips, Neohydatothrips variabilis (Beach)
• Marigold ThripsNeohydatothrips samayunkur(Kudô), a New Thrips Species in Egypt Associated with the African Marigold,Tagetes erectaL.
• Climate-driven integrated management of Neohydatothrips signifer (Thysanoptera: Thripidae) to improve sustainability and export compliance in yellow passion fruit from Huila (Colombia)
• The kairomone p-anisaldehyde increases the effectiveness of sticky traps for capturing Neohydatothrips signifer (Insecta: Thysanoptera) in yellow passion fruit (Passiflora edulis) crops
• Effects ofSoybean Vein Necrosis Viruson Life History and Host Preference of Its Vector,Neohydatothrips variabilis, and Evaluation of Vector Status ofFrankliniella triticiandFrankliniella fusca
• The Effect of Species Soybean Vein Necrosis Orthotospovirus (SVNV) on Life Table Parameters of Its Vector, Soybean Thrips (Neohydatothrips variabilis Thysanoptera: Thripidae)
• Mitogenome characterization and phylogeny of Neohydatothrips gracilipes (Thripidae: Sericothripinae).