Asionurus primus
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Ordo: Ephemeroptera
Familia: Heptageniidae
Genus: Asionurus
Name
Asionurus primus Braasch & Soldán, 1986 – Wikispecies link – Pensoft Profile
- Asionurus primus Braasch & Soldán, 1986a: 155–158, Figs 1–13. (orig.)
Larva
Braasch and Soldán 1986a[1]: 155–158, Figs 1–13.
Adult
Braasch and Boonsoong 2010[2]: 5–7, M, Figs 14–17; F, Fig. 18.
Eggs
General shape ovoid, both poles with large KCTs densely arranged (Fig. 7C), many microgranules densely scattered all over the surface of the chorion, macrogranules on equatorial plane (Fig. 7D), border well-defined by a thickened rim beset with tubercles, 5–6 micropyles on equatorial plane.
Distribution
Chaiyaphum province, Mae Hong Son province, Chiang Mai province.
Diagnosis
Asionurus primus differs from Asionurus ulmeri (Braasch and Soldán 1986a[1]) by shorter and more pointed wings of hypopharynx and gill 7 with bulging anterior portion and acutely shaped apically. In Asionurus ulmeri the wings of hypopharynx are longer and have rounded ends whereas gill 7 is narrow and long and hardly extended anterioriorly.
Habitat and biology
Asionurus primus larvae (Fig. 9B) are often the most abundant in small mountain streams of Thailand. Larvae live beneath rocks and debris. They were found together mostly with those of Notacanthurus baei. Larval habitat preference is similar to that of larvae of Notacanthurus baei.
Remarks
Only one species of Asionurus (Asionurus primus) was identified from Thailand. The larva and adults of this species was described by Braasch and Soldán (1986a)[1] and Braasch and Boonsoong (2010)[2]. The larva of this species found in small mountain streams of Thailand.
Taxon Treatment
- Boonsoong, B; Braasch, D; 2012: Heptageniidae (Insecta, Ephemeroptera) of Thailand ZooKeys, 272: 61-93. doi
Other References
- ↑ 1.0 1.1 1.2 Braasch D, Soldán T (1986a) Asionurus n.gen., eine neue Gattung der Heptageniidae aus Vietnam (Ephemeroptera). Reichenbachia 23 (28): 155-159.
- ↑ 2.0 2.1 Braasch D, Boonsoong B (2010) A contribution to the Heptageniidae (Insecta, Ephemeroptera) of Thailand and Malaysia. Zootaxa 2610: 1-26.
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