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In the above-mentioned article, the name of Enrique Rodriguez de Santiago has been corrected. This was corrected in the online version on June 17, 2021. In the above-mentioned article, the institutions of Daniele Regge have been corrected. This was corrected in the online version on July 8, 2021. © 2021 Georg Thieme Verlag. All rights reserved.

Aleurotulus pteridophytae Martin (in Mound et al., 1994) DISTRIBUTION. Colombia, Costa Rica, Ecuador, El Salvador, Venezuela. HOST PLANTS. Lycopsida �� Selaginellaceae: Selaginella eurynota. Filicopsida �� Pteridaceae: Adiantum platyphyllum ��group; Schizaeaceae: Anemia phyllitidis; unidentified ferns intercepted at US quarantine stations. COMMENTS. This is the only whitefly species known to colonise Selaginella. It is occasionally intercepted by US quarantine stations, on ferns from Central and northern South America., Published as part of Martin, Jon H. & Camus, Josephine M., 2001, Whiteflies (Sternorrhyncha, Aleyrodidae) colonising ferns (Pteridophyta: Filicopsida), with descriptions of two new Trialeurodes and one new Metabemisia species from south��east Asia, pp. 1-19 in Zootaxa 2 on pages 13-14, DOI: 10.5281/zenodo.4618039, {"references":["Mound, L. A., Martin, J. H. & Polaszek, A. (1994) The insect fauna of Selaginella (Pteridophyta: Lycopsida), with descriptions of three new species. Journal of Natural History, 28, 1403 - 1415."]}

Dialeurodes townsendi Quaintance & Baker, 1917 DISTRIBUTION. Philippines. HOST PLANTS. undetermined fern. COMMENTS. This species is only known from the original material, sent by Townsend to the USNM in 1904, and from a subsequent sample sent from the Philippines via Cockerell in 1915 (S. Nakahara, personal communication; USNM collection).

Filicaleyrodes williamsi (Trehan, 1938) DISTRIBUTION. Only known from glasshouse colonies in Britain and Hungary. The origin of this species is uncertain, given the geographically disjunct distribution of F. bosseri and the undescribed species, below. HOST PLANTS. Aspleniaceae: Asplenium proliferum; Blechnaceae: Blechnum brasiliensis, B. gibbum; Dryopteridaceae: Tectaria confluens, Cyrtomium falcatum, Tectaria aurita; Oleandraceae: Oleandra africana; Schizaeaceae: Anemia sp.; Thelypteridaceae: Metathelypteris flaccida. COMMENTS. The quoted host records are attributable to Trehan (1938) and Visnya (1941)., Published as part of Martin, Jon H. & Camus, Josephine M., 2001, Whiteflies (Sternorrhyncha, Aleyrodidae) colonising ferns (Pteridophyta: Filicopsida), with descriptions of two new Trialeurodes and one new Metabemisia species from south­east Asia, pp. 1-19 in Zootaxa 2 on page 14, DOI: 10.5281/zenodo.4618039, {"references":["Trehan, K. N. (1938) Two new species of Aleurodidae found on ferns in greenhouses in Britain (Hemiptera). Proceedings of the Royal Entomological Society of London (B), 7, 182 - 189.","Visnya, A. (1941) Vorarbeiten zur Kenntnis der Aleurodiden-fauna von Ungarn, nebst systematischen Bemerkungen uber die Gattungen Aleurochiton, Pealius und Bemisia (Homoptera). Fragmenta Faunistica Hungarica, 4 (Supplement), 1 - 19."]}

Aleuropteridis jamesi Mound, 1961 DISTRIBUTION. Nigeria. HOST PLANTS. Pteridaceae: Pteris togoensis. COMMENTS. Only known from type material., Published as part of Martin, Jon H. & Camus, Josephine M., 2001, Whiteflies (Sternorrhyncha, Aleyrodidae) colonising ferns (Pteridophyta: Filicopsida), with descriptions of two new Trialeurodes and one new Metabemisia species from south��east Asia, pp. 1-19 in Zootaxa 2 on page 13, DOI: 10.5281/zenodo.4618039, {"references":["Mound, L. A. (1961) A new genus and four new species of whitefly from ferns (Homoptera, Aleyrodidae). Revue de Zoologie et de Botanique Africaine, 64, 127 - 132."]}

Mixaleyrodes polypodicola Takahashi, 1963 DISTRIBUTION. Japan. HOST PLANTS. Dryopteridaceae: Polystichopsis aristata. COMMENTS. Only known from the type specimens., Published as part of Martin, Jon H. & Camus, Josephine M., 2001, Whiteflies (Sternorrhyncha, Aleyrodidae) colonising ferns (Pteridophyta: Filicopsida), with descriptions of two new Trialeurodes and one new Metabemisia species from south��east Asia, pp. 1-19 in Zootaxa 2 on page 16, DOI: 10.5281/zenodo.4618039, {"references":["Takahashi, R. (1963) Some species of Aleyrodidae from Japan (Homoptera). Kontyu, 31, 49 - 57"]}

Aleuropteridis hargreavesi Mound, 1961 DISTRIBUTION. Sierra Leone. HOST PLANTS. undetermined fern. COMMENTS. Only known from type material., Published as part of Martin, Jon H. & Camus, Josephine M., 2001, Whiteflies (Sternorrhyncha, Aleyrodidae) colonising ferns (Pteridophyta: Filicopsida), with descriptions of two new Trialeurodes and one new Metabemisia species from south��east Asia, pp. 1-19 in Zootaxa 2 on page 13, DOI: 10.5281/zenodo.4618039, {"references":["Mound, L. A. (1961) A new genus and four new species of whitefly from ferns (Homoptera, Aleyrodidae). Revue de Zoologie et de Botanique Africaine, 64, 127 - 132."]}

Trialeurodes rex Martin sp. nov. (Fig. 4��5) Trialeurodes sp. Martin, 1988: 82; Mound et al., 1994: 1405; Martin, 1999: 110. PUPARIUM. Habitus. No duplicate dry material available for study, but a field note recorded that puparia bore "sparse mealy��wax", with fine wax ���rods��� (filaments). They were collected from the lower surfaces of the fronds. Margin. Outline elongate��oval, 0.50��0.63 mm long, 0.27��0.34 mm wide, 1.8 ��2.0 times longer than wide, usually widest at transverse moulting sutures (n= 8). Anterior marginal setae absent; posterior marginal setae long, fine, 48�� 60 m. Margin variably uneven to finely crenate, with more than 25 crenations occupying 0.1 mm of margin; margin not modified at tracheal openings. Dorsum. Chaetotaxy, with typical setal lengths quoted, comprises single pairs of cephalic (44��52 m), 1 st abdominal (36��52 m), 8 th abdominal (48��56 m) and caudal (52��68 m) setae, these setae fine and hair��like; sclerotised setal bases about 8 m in diameter. Longitudinal moulting suture reaches puparial margin; transverse moulting sutures terminate in subdorsum. Dorsal disc generally smooth but punctuated by scattered porettes (not geminate pore / porettes), as shown (Fig. 4). With a submarginal row of uneven��sized glandular papillae which are apically acute, sometimes smaller papillae present mesad of larger ones, in a partial second rank; papillae absent elsewhere. Pro��/ mesothoracic and meso��/metathoracic divisions, transverse moulting sutures, and abdominal division I/II marked rather faintly; remaining abdominal segmentation very clearly marked submedially, occasionally appearing almost rhachisform; abdominal segment VII reduced medially, but distinct. Vasiform orifice cordate, smoothly rounded apically, internally smooth; operculum occupying about two��thirds of orifice. Lingula head with a pair of stout setae, markedly lobulate, reaching or slightly overlapping vasiform orifice boundary, only the basal pair of lobes normally covered by operculum. Surrounding vasiform orifice posterolaterally is a large, U��shaped, structure which comprises poorly defined glandular facets, the caudal setae marking the postero��lateral corners; caudal furrow absent. Ven te r. Cuticle diaphanous and smooth; tracheal folds completely unmarked. Ventral abdominal setae underlying operculum, very fine and hair��like. Base of each middle and hind leg each with a minute seta and sometimes also one or two apparent setal bases. OTHER INSTARS. Other larval instars are unknown. A single adult female is present on one slide �� see discussion of adults of T. bruneiensis. MATERIAL EXAMINED. Holotype puparium, Indonesia, SULAWESI UTARA, Dumoga �� Bone NP, forested ridge 10km NW of Toraut, 0�� 37 ' 30 "N, 123 �� 51 ' 00"E, 1140m, on unidentified fern, 18 April 1985 (J.H. Martin # 4879) (BMNH). Paratypes: 12 puparia, same data as holotype; 11 puparia, 1 adult female, same data as holotype but different individual fern (JHM # 4869) (BMNH, MZB, USNM). ETYMOLOGY. The ornate glandular patch surrounding the puparial vasiform orifice at once sets this species apart from all other known species of this large whitefly genus, and the name rex (Latin, king) is appropriate. COMMENTS. With the presence of an extraordinary U��shaped glandular patch encompassing all but the anterior edge of the vasiform orifice, this remarkable species is quite unlike any other described, or known undescribed, species of Trialeurodes. However, all other characters clearly indicate that Trialeurodes is the correct generic placement. The absence of leg��base spines, and absence of gelatinous dorsal secretions exclude T. rex from the ricini species��group. It is probable that T. rex belongs to the same group as do T. bruneiensis and T. dicksoniae, the only other known Australasian / Asian fern��feeding species, but the significance of the posterior glandular patch is unknown., Published as part of Martin, Jon H. & Camus, Josephine M., 2001, Whiteflies (Sternorrhyncha, Aleyrodidae) colonising ferns (Pteridophyta: Filicopsida), with descriptions of two new Trialeurodes and one new Metabemisia species from south��east Asia, pp. 1-19 in Zootaxa 2 on pages 7-8, DOI: 10.5281/zenodo.4618039, {"references":["Martin, J. H. (1988) Whitefly of northern Sulawesi, including new species from clove and avocado (Homoptera, Aleyrodidae). Indo-Malayan Zoology, 5, 57 - 85.","Mound, L. A., Martin, J. H. & Polaszek, A. (1994) The insect fauna of Selaginella (Pteridophyta: Lycopsida), with descriptions of three new species. Journal of Natural History, 28, 1403 - 1415.","Martin, J. H. (1999) The whitefly fauna of Australia (Sternorrhyncha: Aleyrodidae), a taxonomic account and identification guide. Technical Paper, CSIRO Entomology, 38, 1 - 197."]}