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Ryuichiro Machida
University of Tsukuba
Nagano, Japan
12 articles by this author
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Mating behavior of the jumping bristletail ...
Research Article
Mating behavior of the jumping bristletail Petrobiellus akkesiensis (Archaeognatha: Machilidae: Petrobiellinae): Direct spermatophore transfer via genital coupling
    Shodo Mtow,     Ryuichiro Machida
10.3897/asp.83.e159694
 10-12-2025
 Unique: 861 | Total: 1432
 Reprint: € 8,00
 737-756
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Development and reproductive biology ...
Research Article
Development and reproductive biology of Dermaptera: a comparative study of thirteen species from eight families
Shota Shimizu, Ryuichiro Machida
10.3897/asp.82.e96452
 18-03-2024
 Unique: 5237 | Total: 7720
 Reprint: € 15,00
 35-75
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Reproductive biology and embryonic development ...
Research Article
Reproductive biology and embryonic development of Nocticola sp. (Blattodea: Nocticolidae)
Mari Fujita,     Chow-Yang Lee, Ryuichiro Machida
10.26049/ASP78-3-2020-03
 05-11-2020
 Unique: 1156 | Total: 1767
 393-403
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Egg structure and embryonic development ...
Research Article
Egg structure and embryonic development of arctoperlarian stoneflies: a comparative embryological study (Plecoptera)
    Shodo MTOW, Ryuichiro Machida
10.3897/asp.76.e31940
 30-04-2018
 Unique: 1481 | Total: 2013
 65-86
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Morphology of the first instar larva ...
Research Article
Morphology of the first instar larva of Tenomerga mucida (Chevrolat, 1829) (Coleoptera: Archostemata: Cupedidae)
Margarita Yavorskaya, Kazuki Kojima, Ryuichiro Machida, Rolf Beutel
10.3897/asp.73.e31797
 07-08-2015
 Unique: 1341 | Total: 1862
 239-258
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Cephalic anatomy of Zorotypus weidneri ...
Research Article
Cephalic anatomy of Zorotypus weidneri New, 1978: new evidence for a placement of Zoraptera
    Yoko Matsumura, Benjamin Wipfler,     Hans Pohl, Romano Dallai, Ryuichiro Machida, Yuta Mashimo, Josenir Câmara, José Rafael, Rolf Beutel
10.3897/asp.73.e31818
 17-04-2015
 Unique: 2012 | Total: 2654
 85-105
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Reproductive biology and postembryonic ...
Research Article
Reproductive biology and postembryonic development of a polyphagid cockroach Eucorydia yasumatsui Asahina (Blattodea: Polyphagidae)
Mari Fujita, Ryuichiro Machida
10.3897/asp.72.e31895
 18-07-2014
 Unique: 1764 | Total: 2393
 193-211
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Postembryonic development of the ground ...
Research Article
Postembryonic development of the ground louse Zorotypus caudelli Karny (Insecta: Zoraptera: Zorotypidae)
Yuta Mashimo, Rolf Beutel, Romano Dallai, Chow-Yang Lee, Ryuichiro Machida
10.3897/asp.72.e31786
 08-04-2014
 Unique: 1685 | Total: 2396
 55-71
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Reproductive biology and postembryonic ...
Research Article
Reproductive biology and postembryonic development in the basal earwig Diplatys flavicollis (Shiraki) (Insecta: Dermaptera: Diplatyidae)
Shota Shimizu, Ryuichiro Machida
10.3897/asp.69.e31742
 21-07-2011
 Unique: 1300 | Total: 1854
 83-97
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Notes on mating and oviposition of a ...
Research Article
Notes on mating and oviposition of a primitive representative of the higher Forficulina, Apachyus chartaceus de Haan (Insecta: Dermaptera: Apachyidae)
Shota Shimizu, Ryuichiro Machida
10.3897/asp.69.e31739
 21-07-2011
 Unique: 1367 | Total: 2224
 75-81
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Structural features of eggs of the basal ...
Research Article
Structural features of eggs of the basal phasmatodean Timema monikensis Vickery & Sandoval, 1998 (Insecta: Phasmatodea: Timematidae)
Yoshie Jintsu, Toshiki Uchifune, Ryuichiro Machida
10.3897/asp.68.e31716
 28-02-2010
 Unique: 1586 | Total: 2278
 71-78
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Evidence from embryology for reconstructing ...
Research Article
Evidence from embryology for reconstructing the relationships of hexapod basal clades
Ryuichiro Machida
10.3897/asp.64.e31645
 30-10-2006
 Unique: 1426 | Total: 1935
 95-104
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