44 research outputs found
Nordeniella maleeae Williams & Lelej & Okayasu & Borkent & Malee & Thoawan & Thaochan 2019, sp. nov.
No full text11a. <i>Nordeniella maleeae</i> Williams, sp. nov. <p>(Figs 10, 56–58)</p> <p> <b>Diagnosis.</b> FEMALE. This species has the head and metasoma black, without any metallic hue; the mesosoma parallel-sided and having a dark streak on the posterior face; T2 disc with a well-defined white setal patch basomedially; and T3 entirely clothed with white setae. Body length 3–4.5 mm. MALE. Unknown.</p> <p> <b>Description.</b> FEMALE. Body length 4.5 mm. <i>Coloration.</i> Head black, except antennal tubercle, mandible, scape, and pedicel largely orange-brown. Mesosoma, coxae, and femoral bases orange-brown, except mesopleuron, posterior propodeal face, femoral apices, tibiae, and tarsi brown to black. Metasoma black, except S1 reddened and T2–3 yellow-brown beneath white setal markings. Body setae generally sparse and silvery, except vertex and mesosomal dorsum with scattered silver and erect blackish setae; T2 disc, T4, and T5 setae dense black; and T2 basomedial spot, T2 apex, T3 entirely, and T6 basal tuft with dense whitish silver setae. <i>Head</i>. Width behind eye 1.1 × mesosoma width. Frons, vertex, and gena punctures dense to confluent. Mandible apex tridentate. Clypeus with transverse truncate lamella; basomedial portion convex, densely punctate, with obscure longitudinal carina basally. Antennal scrobe with dorsal carina. Antennal tubercle smooth. Genal carina obscure, forming raised tooth with hypostomal carina. F1 1.4 × pedicel length, F2 1.4 × pedicel length. <i>Mesosoma</i>. Length 1.1 × width. Dorsum of mesosoma with coarse confluent punctures. Side of mesosoma with scattered micropunctures with short setae, ventral portion of meso- and metapleuron weakly transverse striate, posterior portion of propodeal side with obscure reticulations. Mesopleural lamella absent. Humeral carina distinct, arcuate. Ratio of width of humeral angle, anterior spiracle, narrowest point of mesonotum, propodeal spiracle, and widest point of propodeum 55:58:54:57:57. Scutellar scale obliterated. Posterior propodeal face reticulate. Lateral and posterior propodeal faces separated by interrupted wavy carina. Metatibio-tarsal ratio 80:37:23:17:11:9. <i>Metasoma.</i> Terga 1–5 with small dense punctures, sparser on T1, confluent on T2. S1 with long simple longitudinal carina. T2 felt line 0.2 × T2 total length. T6 convex, mostly smooth. S6 posterior margin bidentate.</p> <p> <b>Material examined. Holotype ♀</b>, THAILAND, <i>Songkhla</i>, Hat Yai, Prince of Songkhla University, forest edge, 7.008 o N 100.508 o E, 40 m, 11–12.IV.2017, MKT (CSCA). <b>Paratypes (2 ♀),</b> <i>Phetchaburi</i>, Kaeng Krachan, Baan Maka Nature Lodge, 12.840 o N 99.590 o E, 140 m, 16.V.2018, MKT (1♀ CSCA); <i>Songkhla</i>, Hat Yai, Prince of Songkhla University, forest edge, 7.008 o N 100.508 o E, 40 m, 11–12.IV.2017, MKT (1♀ CSCA).</p> <p> <b>Distribution.</b> Thailand (Phetchaburi, Songkhla)</p> <p> <b>Etymology.</b> KAW is happy to name this species for co-author and type collector, Rufeah Malee. Treat as a noun in apposition.</p> <p> <b>Remarks.</b> The occurrence of this genus in Thailand is initially surprising, as it was formerly known from India and Sri Lanka only. Other mutillid genera (<i>Eosmicromyrmilla, Kurzenkotilla, Orientilla</i>), however, are diverse and predominantly found in India and Sri Lanka, but have one or two species reaching mainland Southeast Asia.</p>Published as part of <i>Williams, Kevin A., Lelej, Arkady S., Okayasu, Juriya, Borkent, Christopher J., Malee, Rufeah, Thoawan, Kodeeyah & Thaochan, Narit, 2019, The female velvet ants (aka modkhong) of southern Thailand (Hymenoptera: Mutillidae), with a key to the genera of southeast Asia, pp. 1-69 in Zootaxa 4602 (1)</i> on page 23, DOI: <a href="http://zenodo.org/record/2669927">10.5281/zenodo.2669927</a>
Petersenidia leleji Williams & Lelej & Okayasu & Borkent & Malee & Thoawan & Thaochan 2019, sp. nov.
No full text27b. <i>Petersenidia leleji</i> Williams, sp. nov. <p>(Figs 143–144)</p> <p> <b>Diagnosis.</b> FEMALE. The following combination of characters is diagnostic: humeral angle weakly produced, pronotum broader than propodeum, mesosoma uniform orange, legs partly orange, metasoma entirely black, T2 sculpture weak, T2 disc spots small and separated by ~3 × spot diameter, T2 with sparse white apical fringe, T3 band entire, and pygidium smooth. Body length 5.4 mm. MALE. Unknown.</p> <p> <b>Description.</b> FEMALE. Body length 5.4 mm. <i>Coloration.</i> Head black, except antennal tubercle, mandible, scape, and clypeus largely red-brown, and venter of flagellum largely orange-brown. Mesosoma, coxae, and femoral bases orange-brown, femoral apices, tibiae, and tarsi blackish. Metasoma black, except T1, S1, and T6 largely red-brown. Body setae generally sparse and silvery, except frons, vertex, and mesosomal dorsum with suberect blackish and red-brown setae; T2 disc, T4, and T5 setae dense black; and T2 disc lateral spots, T3 entirely, and T6 basal tuft with dense whitish-silver setae; T2 lateral spot diameter 0.3 × distance between spots, T2 with sparse apical fringe of pale silvery setae, and T3 band entire. <i>Head</i>. Width behind eye 0.9 × mesosoma width. Frons, vertex, and gena punctures dense to confluent. Mandible apex apparently unidentate. Clypeus apically bidentate, teeth connected by transverse carina; basomedial portion with robust tubercle. Antennal scrobe with arcuate dorsal carina and straight lateral carina. Antennal tubercle with scattered micropunctures. Genal carina weak, forming small tooth at hypostomal carina and extending posteriorly to occipital carina. F1 2.0 × pedicel length, F2 1.5 × pedicel length. <i>Mesosoma</i>. Length subequal to width. Dorsum of mesosoma with coarse confluent punctures; obscure interrupted carina separating dorsal and lateral faces of pronotum and mesonotum. Side of mesosoma with dense micropunctures and short setae. Mesopleural lamella an obscure carina. Humeral carina weak, complete. Ratio of width of humeral angle, anterior spiracle, narrowest point of mesonotum, propodeal spiracle, and midpoint of propodeum 70:78:70:72:73. Scutellar scale rounded posteriorly, ~2 punctures wide. Posterior propodeal face reticulate with many interspaces obliterated leaving apparent striae. Lateral and posterior propodeal faces separated by wavy carina with few short teeth. Metatibio-tarsal ratio 58:24:13:10:9:10. <i>Metasoma.</i> T1 anterior face with sparse punctures, posterior with confluent punctures. T2 disc with moderate separated pits, interspaces micropunctate and setose; with obscure transverse depression in apical half. T3–5 and S3–5 with small dense punctures. S1 with simple longitudinal lamella. S2 with sparse punctures, interspaces smooth. T2 felt line 0.3 × T2 total length. T6 with long sub-ovate pygidium, widest medially with lateral carina obliterated in posterior half; smooth throughout. S6 posterior margin truncate.</p> <p> <b>Material examined. Holotype ♀,</b> THAILAND, <i>Phatthalung</i>, 2.4 km S Ban Na, Farm, 7.543 o N 99.883 o E, 50 m, 6.IV.2017, MKT (CSCA). <b>Paratypes (22 ♀),</b> THAILAND, <i>Chiang Mai</i>, Doi Ang Khang, 1300 m, 21.VIII.1998 (1♀ SKYC). VIETNAM: <i>Vinh Phu</i>, Tam Dao, forest, 10–15.XI.1990, S. Belokobylskij (5♀ ZISP, IBSS); <i>Ha Son Binh</i>: Da Bac, Tuly, fores, 22–23.X.1990, S. Belokobylskij (2♀ ZISP); Mai Chou, forest, 3. XI.1 990, S. Belokobylskij (12♀ ZISP); <i>Hoa Binh,</i> Mai Chau, Pa Co Xa Linh, 20°44'N 104°55'E, 1120 m, 22–24.IV.2002, S. Belokobylskij (1♀ ZISP); <i>Quang Ninh</i>, Baitu Long Islands, Dong Ho Il., 20.III.1987, V. Kuznetsov (1♀ IBSS).</p> <p> <b>Distribution.</b> Thailand (Chiang Mai, Phatthalung), Vietnam (Ha Son Binh, Hoa Binh, Quang Ninh, Vinh Phu).</p> <p> <b>Etymology.</b> KAW is happy to name this species for his co-author and friend, Arkady Lelej, for his contributions to this and many other mutillid research projects.</p> <p> <b>Remarks.</b> In Chen’s (1957) key, this species terminates at couplet 7 of the <i>Smicromyrme</i> key, because the pygidium is smooth and the S1 carina is entire. In Mickel’s (1935) key, it terminates at couplet 9 because the antenna is largely orange-brown and the genal punctures are moderately large.</p>Published as part of <i>Williams, Kevin A., Lelej, Arkady S., Okayasu, Juriya, Borkent, Christopher J., Malee, Rufeah, Thoawan, Kodeeyah & Thaochan, Narit, 2019, The female velvet ants (aka modkhong) of southern Thailand (Hymenoptera: Mutillidae), with a key to the genera of southeast Asia, pp. 1-69 in Zootaxa 4602 (1)</i> on pages 40-41, DOI: <a href="http://zenodo.org/record/2669927">10.5281/zenodo.2669927</a>
Smicromyrme thaochani Williams & Lelej & Okayasu & Borkent & Malee & Thoawan & Thaochan 2019, sp. nov.
No full text15e. Smicromyrme thaochani Williams, sp. nov. (Figs 111–114) Diagnosis. FEMALE. This species the mesosoma longer than broad; the scutellar scale distinct and surrounded by scattered tubercles; the T2 disc with three spots, the lateral spots disposed posterior to the medial spot; the T2 apex with a white to golden medially expanded band; T3 with the setae entirely white to golden; T4–5 with the setae mostly black; and the pygidium elongate ovate with many dense striae that reach the apex. Body length 6–8.5 mm. MALE. Unknown. Description. FEMALE. Body length 7.3 mm. Coloration. Head black, except mandible and scape largely orange-brown. Mesosoma, coxae, and femoral bases orange-brown, except mesopleuron, posterior propodeal face, femoral apices, tibiae, and tarsi brown to black. Metasoma black, except S1 reddened and T2–3 yellow-brown beneath white setal markings. Body setae generally sparse and pale golden, except frons, vertex, and mesosomal dorsum with scattered silver and erect blackish setae; T2 disc, T4, and T5 setae dense black; and vertex posteriorly, T2 basomedial and lateral circular spots, T2 apex, T3 entirely, and T6 lateral tuft with dense pale golden setae. Head. Width behind eye subequal to mesosoma width. Frons, vertex, and gena punctures tightly confluent. Mandible apex apparently unidentate. Clypeus with obscure transverse carina; basomedial portion with sharp flat tubercle. Antennal scrobe with distinct dorsal carina. Antennal tubercle smooth. Genal carina obscure, not reaching hypostomal carina. F1 2.0 × pedicel length, F2 1.6 × pedicel length. Mesosoma. Length 1.25 × width. Dorsum of mesosoma with small coarse confluent punctures. Side of mesosoma with scattered micropunctures with short setae. Mesopleural lamella a simple carina. Humeral carina distinct. Ratio of width of humeral angle, anterior spiracle, narrowest point of mesonotum, propodeal spiracle, and widest point of propodeum 86:89:80:85:90. Scutellar scale trunctate, ~4 punctures wide, surrounded by scattered tubercles. Posterior propodeal face reticulate with many interspaces obliterated and corners raised to tubercles. Lateral and posterior propodeal faces not separated by carina. Metatibio-tarsal ratio 70:40:23:15:13:13. Metasoma. Terga 1–5 with small dense to confluent punctures, sparser on T1. S1 with simple longitudinal carina. T2 felt line 0.55 × T2 total length. T6 with long ovate pygidium; with parallel striae (~25 at midpoint) mostly reaching apex. S6 posterior margin bidentate. Material examined. Holotype ♀, THAILAND, Phetchaburi, Kaeng Krachan, Baan Maka Nature Lodge, 12.840 o N 99.590 o E, 140 m, 22.V.2018, MKT (CSCA). Paratypes (12 ♀), THAILAND: Chiang Mai: Doi Suthep, 1000 m, 18 o 48'N 98 o 55'E, 5.VII.1986, R. Hensen (1♀ RMNH); Doi Suthep Pui National Park, 4.VII.1981, G. Gordh (1♀ UCRC); Kanchanaburi, Thong Pha Phum, Vimarndin farm stay, 14.655 o N 98.521 o E, 200 m, 17–20.V.2018, MKT (1♀ CSCA); Krabi, 14 km NNE Krabi, Phnom Bencha Mountain Resort, 8.208 o N 98.937 o E, 80 m, 2.IV.2017, MKT (1♀ CSCA); Phetchaburi, Kaeng Krachan, Baan Maka Nature Lodge, 12.840 o N 99.590 o E, 140 m: 16.V.2018, MKT (2♀ CSCA); 22–23.V.2018, MKT (6♀ CSCA PSUC QSBG). Distribution. Thailand (Chiang Mai, Kanchanaburi, Krabi, Phetchaburi). Etymology. KAW is happy to name this species for his co-author and friend, Narit Thaochan, who collected some of the paratypes and made these expeditions possible with his translating and planning. Remarks. This species is larger and has tighter coarser punctures than S. triguttatus. This is especially apparent in the pygidium, which is densely striate (Fig. 113 vs. Fig. 109). The setal markings of the vertex and metasoma (Fig. 111) are also denser than those seen in S. triguttatus (Fig. 107). This species has frequently been misidentified as S. triguttatus and additional specimens are likely to be found in museum series of that species.Published as part of Williams, Kevin A., Lelej, Arkady S., Okayasu, Juriya, Borkent, Christopher J., Malee, Rufeah, Thoawan, Kodeeyah & Thaochan, Narit, 2019, The female velvet ants (aka modkhong) of southern Thailand (Hymenoptera: Mutillidae), with a key to the genera of southeast Asia, pp. 1-69 in Zootaxa 4602 (1) on pages 29-30, DOI: 10.5281/zenodo.266992
Orientidia thoawanae Williams & Lelej & Okayasu & Borkent & Malee & Thoawan & Thaochan 2019, sp. nov.
No full text25b. <i>Orientidia thoawanae</i> Williams, sp. nov. <p>(Figs 139–140)</p> <p> <b>Diagnosis.</b> FEMALE. This is apparently the only <i>Orientidia</i> species with the scutellar scale narrow and spine-like. The following characters may also be useful for identification: pronotum broader than propodeum, mesosoma uniform orange, legs largely orange, metasoma entirely black, T2 sculpture coarse, T2 disc spots small and separated by more than spot diameter, T2 and T3 bands entire, and T6 without pygidium. Body length 4–8 mm. MALE. Unknown.</p> <p> <b>Description.</b> FEMALE. Body length 4.4 mm. <i>Coloration.</i> Head black, except antennal tubercle, mandible, scape, and pedicel largely orange-brown. Mesosoma, coxae, and femoral bases orange-brown, femoral apices, tibiae, and tarsi brown. Metasoma black, except T1 and T6 dark red-brown, and S1 orange-brown. Body setae generally sparse and silvery, except frons and mesosomal dorsum with sub-erect mostly red-brown setae; T2 disc, T4, and T5 setae dense black; and vertex, T2 disc lateral spots, T2 apical band, T3 entirely, and T6 basal tuft with dense pale golden setae; T2 lateral spot diameter 0.8 × distance between spots; T2 apical band and T3 band entire. <i>Head</i>. Width behind eye 1.1 × mesosoma width. Frons, vertex, and gena punctures confluent. Mandible apex narrow bidentate. Clypeus apically weak bidentate, teeth connected by weak transverse lamella; basomedial portion with robust tubercle. Antennal scrobe with arcuate dorsal carina nearly continuous to mandible base. Antennal tubercle with weak punctures and sparse setae. Genal carina forming small tooth at hypostomal carina and extending posteriorly to occipital carina. F1 1.8 × pedicel length, F2 1.2 × pedicel length. <i>Mesosoma</i>. Length subequal to width. Dorsum of mesosoma with confluent punctures; wavy carina separating dorsal and lateral faces of pronotum and mesonotum. Side of mesosoma with dense micropunctures and short setae. Mesopleural lamella an obscure carina. Humeral carina distinct, moderately expanded dorsally. Ratio of width of humeral angle, anterior spiracle, narrowest point of mesonotum, propodeal spiracle, and midpoint of propodeum 68:78:68:71:75. Scutellar scale sharp triangular, narrower than one puncture. Posterior propodeal face reticulate. Lateral and posterior propodeal faces separated by row of teeth. Metatibio-tarsal ratio 46:19:13:8:6:6. <i>Metasoma.</i> T1 anterior face with separated punctures, posterior with confluent punctures. T2 disc with separated ovate pits, interspaces densely micropunctate and setose; with obscure transverse arcuate depression in apical half. T3–5 and S3–5 with small dense punctures. S1 with longitudinal lamella, sub-interrupted with notch medially. S2 with sparse punctures, interspaces smooth. T2 felt line 0.3 × T2 total length. T6 convex without any trace of pygidium. S6 posterior margin rounded.</p> <p> <b>Material examined. Holotype ♀,</b> THAILAND, <i>Songkhla</i>, Hat Yai, Prince of Songkhla University, forest edge, 7.008 o N 100.508 o E, 40 m, 12.IV.2017, MKT (CSCA). <b>Paratypes (33 ♀),</b> MALAYSIA, <i>Kedah</i>, Pantai Kok Pulau Langkawi, 6 o 22'N 99 o 42'E, 19–21.VI.1996, S.L. Heydon and S. Fung (1♀ UCDC). THAILAND: <i>Chiang Mai,</i> Doi Suthep, near Chiang Mai, 500–700 m, 1.IV.2006, Sk. Yamane (1♀ SKYC); 19.VIII. 1998, Sk. Yamane (1♀ SKYC); <i>Kanchanaburi</i>, Thong Pha Phum, Vimarndin farm stay, 14.655 o N 98.521 o E, 200 m, 17–20.V.2018, MKT (1♀ CSCA); <i>Nakhon Si Thammarat</i>, 4.4 km N Hin Tok, Mountainside rubber farm, 8.303 o N 99.849 o E, 7.IV.2017, MKT (1♀ CSCA); <i>Phatthalung</i>, 2.4 km S Ban Na, Farm, 7.543 o N 99.883 o E, 50 m, 6.IV.2017, MKT (1♀ CSCA); <i>Songkhla</i>, Hat Yai, Prince of Songkhla University, forest edge, 7.008 o N 100.508 o E, 40 m, 11–12.IV.2017, MKT (25♀ CSCA EMUS MIUP PSUC QSBG); <i>Surat Thani</i>, Khlong Sok: Khao Sok Jungle Huts, 8.909 o N 99.526 o E, 70 m, 25–26.V.2018, MKT (1♀ CSCA); Our Jungle House resort, 8.908 o N 99.534 o E, 75 m, 25–27.V.2018, MKT (1♀ CSCA).</p> <p> <b>Distribution.</b> Malaysia (Kedah), Thailand (Chiang Mai, Kanchanaburi, Nakhon Si Thammarat, Phatthalung, Songkhla, Surat Thani).</p> <p> <b>Etymology.</b> KAW is happy to name this species for the co-author and type collector, Kodeeyah Thoawan.</p> <p> <b>Remarks.</b> This species is unique in having a narrow spine-like scutellar scale. Its placement in <i>Orientidia</i> is somewhat tenuous and further study may necessitate transferring it to <i>Promecidia</i> or another genus.</p>Published as part of <i>Williams, Kevin A., Lelej, Arkady S., Okayasu, Juriya, Borkent, Christopher J., Malee, Rufeah, Thoawan, Kodeeyah & Thaochan, Narit, 2019, The female velvet ants (aka modkhong) of southern Thailand (Hymenoptera: Mutillidae), with a key to the genera of southeast Asia, pp. 1-69 in Zootaxa 4602 (1)</i> on pages 38-39, DOI: <a href="http://zenodo.org/record/2669927">10.5281/zenodo.2669927</a>
Cerebral white matter lesions in the ageing brain
No full textEThOS - Electronic Theses Online ServiceGBUnited Kingdo
Development of Ontology for Thai Country Songs
No full textThis study aimed to develop an ontology for Thai country songs by using the seven steps of an ontology development process. Hozo-Ontology Editor software and Ontology Application Management Framework were tools used in this study. Nine classes of ontology were identified: song, singer, emotion, author, language used, language type, song style, original, and content, and it was found that the song class had a relationship with all of the other classes. The developed ontology was evaluated by seeking opinions from experts in the field of Thai country songs, who agreed that the ontology was highly effective. Additionally, the evaluation employed the knowledge retrieval concept, and the precision, recall, and overall effectiveness were measured, with a precision of 92.59%, a recall of 86.21%, and an overall effectiveness (F-measure) of 89.28%. These results indicate that the developed ontology is highly effective in describing the scope of knowledge of Thai country songs
A fibroblastic reticular cell tumour arising in the oral cavity: a case report and review of the literature
No full textBackground
Tumours of dendritic or histiocytic lineage are amongst the rarest tumours and probably account for < 1% of tumours affecting the lymph nodes or soft tissue. Because several of these entities were poorly recognised until recently, the true incidence is not determined.
Methods
We present what we believe is the first reported case report of a fibroblastic reticular cell tumour arising in the oral cavity as well as reviewing the current literature regarding this rare subset of tumours.
Results
We discuss the clinical and histopathological findings of our reported case and examine the literature regarding this entity. We discuss the key differential diagnoses to consider when making this diagnosis.
Conclusion
Histiocytic and dendritic cell derived tumours are exceptionally rare within the head and neck region although a number of these tumours have been reported within the oral cavity. We present what we believe is the first reported case of a fibroblastic reticular cell tumour arising within the oral cavity
