Laurence A. Mound 90 years: A collaborative life that laid the foundation of modern thrips studies.

In honour of Laurence Mound's 90th birthday, this special issue of Zootaxa serves as a tribute to his enduring legacy in entomology and Thysanoptera research. Mound's journey in the field has been marked by numerous discoveries, unwavering dedication, and invaluable collaborations that have profoundly influenced the study of Thysanoptera around the world. We here emphasise his lifelong commitment to the study of these minute insects and this provides an opportunity for researchers worldwide to share their insights and experiences, highlighting the impact Mound has had on their scientific pursuits.

Structural diversity among the leaf-feeding thrips of Australia in the genus Teuchothrips (Thysanoptera, Phlaeothripinae) with 20 new species.

An identification system, together with illustrated notes, is presented to 34 species of the genus Teuchothrips known from Australia, including the following 20 species newly described: T. agonis sp.n.

The genus Liothrips (Thysanoptera, Phlaeothripidae) in Australia.

Eight species of Liothrips are recognised from Australia, including L. burwelli sp.n.

Convoluted maxillary stylets among Australian Thysanoptera Phlaeothripinae associated mainly with Casuarinaceae trees.

The diversity is reviewed of Phlaeothripinae in Australia with unusually long or convoluted maxillary stylets. This comprises a total of 28 species in eight genera, including Enigmathrips carnarvoni gen et sp.n.

Phlaeothripidae (Thysanoptera) diversity in Australia, with three new generic records and two new species.

The genera Ponticulothrips, Trichinothrips and Tylothrips are newly recorded from Australia. Litotetothrips symplocosae sp.n.

Eurynothrips Bagnall (Thysanoptera, Phlaeothripinae): a rare and long-lost Australian genus, with one new gall-inducing species.

The monotypic genus of horn-headed thrips, Eurynothrips Bagnall, had not been seen since its discovery in the early 1900s in northern Australia, and nothing is known of its biology. A second species of the genus, E. laheyi sp.

Litotetothrips Priesner (Thysanoptera, Phlaeothripinae); an Asian genus newly recorded from Australia with two new species and one new combination.

Relationships are discussed among the five genera related to Liothrips in which species have antennal segment VIII long and slender. Litotetothrips is the oldest of these generic names and is used here for three species newly recorded from Australia: L. caledonensis (Bournier) comb.

Taxonomic problems with Gynaikothrips and related genera (Thysanoptera, Phlaeothripinae): the ficorum/uzeli complex and taxa endemic to Australia.

Ten species from Australia in or related to the genus Gynaikothrips are discussed. Variation among specimens of the pest species on Ficus trees, the ficorum/uzeli complex, is examined with the conclusion that recognition of these two species remains questionable. Two species related to this complex are newly recorded from Australia, insulsus Priesner and luzonensis Priesner, and edentatus Priesner is placed as a syn.

Tubuliferous Thysanoptera in Australia with an enlarged tenth abdominal segment (Phlaeothripidae, Idolothripinae), including six new species.

Remarkable structural variation in the tenth abdominal segment of some Phlaeothripidae species is discussed, together with its behavioural significance. Two tropical genera are newly recorded from Australia: in Acallurothrips Bagnall four species are recorded, A. darumbali sp.

Structural variation among species of Leeuwenia (Thysanoptera, Phlaeothripinae) with three new species from Australia.

The remarkable range of structural variation among the leaf-feeding thrips of the genus Leeuwenia is discussed and contrasted with the lack of intra-generic diversity exhibited by the leaf-feeding species of the related genus Liothrips. An identification key is provided to the eight species of Leeuwenia known from Australia, including three newly described species.

The genus Hoplothrips in Australia (Thysanoptera, Phlaeothripinae), with eleven new species.

A key to 19 species from Australia in the genus Hoplothrips is provided, including 11 described as new species: H. bellingeni, H. giganteus, H.

Leaf-litter thrips of the genus Psalidothrips (Thysanoptera, Phlaeothripidae) from Australia, with fifteen new species.

A key is given to 16 Psalidothrips species known from Australia. In contrast to members of this genus from other parts of the world, most of these species show a strong tendency toward wing loss, with associated character states, also remarkable reduction in sclerotisation of the thoracic sclerites. Character state variation is discussed, and 15 new species are described and illustrated: P.

A new species of Apostlethrips (Thysanoptera, Phlaeothripidae); an Australian genus from grass tussocks.

In most of the warmer parts of the world, a considerable diversity of thrips live only at ground level where they feed on fungi. In Australia, many such Phlaeothripidae species live in leaf-litter (Mound et al. 2013; Wang et al.

Rediagnoses of the Asian genera Xylaplothrips and Mesandrothrips (Thysanoptera, Phlaeothripinae, Haplothripini), with keys to Australian species.

The genus Xylaplothrips is re-diagnosed, 11 species are listed as appropriately included in this genus of which three are new combinations from Haplothrips (X. acaciae; X. collyerae; X.

Asia-Australia distribution patterns among species of Mystrothrips (Thysanoptera, Phlaeothripinae), with two new species.

The genus Mystrothrips now comprises 10 species, of which one is from Brazil but the others from Asia and Australia, including M. brachystylis sp.n.

Fungus-feeding thrips of the genus Stephanothrips in Australia (Thysanoptera, Phlaeothripinae).

Five species of Stephanothrips are now recorded from Australia, of which one is found worldwide, four are endemic, and two are described here as new species. S. broomei is remarkable for its colour pattern, and S.

Two new Australian fungus-feeding thrips in two new Plectrothripini genera (Thysanoptera, Phlaeothripinae).

Two new genera are erected of plectrothripine Phlaeothripidae from northern Australia, each based on a single species. One has a long stout projection ventrally on the second antennal segment, the other has a unique arrangement of the dorsal facets of the compound eyes. In both of them the thoracic ventral sclerites are extensively eroded.

Australian mycophagous species of the genus (Thysanoptera, Phlaeothripinae).

The genus Deplorothrips Mound & Walker is recorded from Australia for the first time. The genus is found widely across the continent, and descriptions and an illustrated identification key are provided to 14 new species. These have been found living on dead twigs and branches, particularly of Eucalyptus trees.

Genera of the leaf-feeding Dendrothripinae of the world (Thysanoptera, Thripidae), with new species from Australia and Sulawesi, Indonesia.

Character states used in distinguishing taxa within the Thripidae subfamily Dendrothripinae are discussed, and a key presented to the 11 genera recognized worldwide. Comments on each of these genera are provided, together with keys to the species from Australia of Dendrothrips, Ensiferothrips and Pseudodendrothrips. From Australia are described, four new species of Dendrothrips, one of Pseudodendrothrips, and a remarkable new species of Ensiferothrips that has required a re-diagnosis of that genus.

Fungus-feeding Thysanoptera: Phlaeothripinae of the Idiothrips genus-group in Australia, with nine new species.

In a group of fungus-feeding Phlaeothripinae characterized by complex body sculpture, identification keys are provided to three genera and 15 species from Australia, including nine new species. In the genus Azaleothrips one new species is described, and one Asian species is newly recorded from Australia. The genus Stictothrips is recorded from Australia for the first time, with two new species.

Species of Lissothrips and Williamsiella from mosses and lichens in Australia and New Zealand (Thysanoptera, Phlaeothripinae).

Species of Lissothrips and Williamsiella live in association with mosses and lichens. Their gut contents are commonly blue-green, suggesting that they possibly feed on blue-green algae. Three species of Lissothrips are known from New Zealand, of which two are here recorded from Australia together with six new species.

The minute, fungus-feeding species of Sophiothrips (Thysanoptera, Phlaeothripinae) from Australia and New Zealand.

Five new species of Sophiothrips are described from mainland Australia, of which one is widespread in the eastern part of the continent, with a second widespread across the northern tropical zone. These species appear to be members of the breviceps species-group from the Old World tropics. One of these five is particularly unusual within the genus in that the maxillary stylets are retracted into the head anterior to the postoccipital ridge.

Fungus-feeding phlaeothripine Thysanoptera in the genus Holothrips from Australia and New Caledonia, with a structurally similar new genus, Holoengythrips.

Ten species of Holothrips, including seven new species, are recognized from Australia, with one further new species from New Caledonia. A new genus, Holoengythrips, is described from Australia, with nine new species that look similar to Holothrips species in having elongate maxillary stylets that are close together medially for the full length of the head. In contrast to species of Holothrips, the species of Holoengythrips are strongly sexually dimorphic, with antennal segment VIII separated from VII and the maxillary stylets more slender, and the males have a pore plate on the eighth sternite.

Australian species of spore-feeding Thysanoptera in the genera Carientothrips and Nesothrips (Thysanoptera: Idolothripinae).

The species from Australia in the genera Carientothrips and Nesothrips are reviewed and an illustrated key is provided. Carientothrips is distinguished based on the unusual form of the maxillary palps. Two species, badius Hood comb.

Fungus-feeding thrips from Australia in the worldwide genus Hoplandrothrips (Thysanoptera, Phlaeothripinae).

From Australia, 16 species of Hoplandrothrips are here recorded, of which 11 are newly described. An illustrated key is provided to 15 species, but Phloeothrips leai Karny cannot at present be recognised from its description. The generic relationships between Hoplandrothrips, Hoplothrips and some other Phlaeothripinae that live on freshly dead branches are briefly discussed.