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    Torrubiella siamensis Hywel-Jones Mycol. Res. 99: 331 (1995)

    Anamorph state: Hirsutella-like

    Description:

    Specimens were found on the underside of bamboo or dicotyledonous leaves of forest plants. Hosts were scale insect nymphs (Hemiptera). Stroma usually very flattened discoid, up to 4 mm diam. white; perithecia clustered, superficial, elongate-ovoid, 500-650 µm long (580-660 µm), 300-400 µm diam. (300-330 µm), hyaline yellow, no paraphyses within the perithecia; asci cylindric up to 550 µm long (570 µm) and 5-7.5 µm diam. (5 µm) with a distinct, thickened hyaline cap 3-5 µm long, 5-6.5 µm diam.; ascopores divide into 32 part-spores, filiform, 12.5-17.5 x 2-3 µm (11.3-15.3 x1.3-1.5 µm). The part-pores of Torrubiella siamenis germinated on PDA but with no subsequent growth after 2 weeks of observation. This is a very rarely reported species in Thailand. The first collection was from Gong Giao trail at Khao Yai National Park in 2 September 1990 (Hywel-Jones, 1995) with a second collection from Klong Lan National Park in October 2007.

    References:

    Hywel-Jones, N.L (1995). Torrubiella iriomoteana from scale insects in Thailand and a new related species Torrubiella siamensis with notes on their respective anamorphs. Mycological Research 99: 330-332.

    Locality: Khlong Lan National Park,
    Province: Kamphaeng Phet,
    Country: Thailand

    Search this species at:
    THAILAND BIORESOURCE RESEARCH CENTER