Tryphactothrips Bagnall

Rachana, Remani R., Mound, Laurence A. & Rayar, Shashikant G., 2019, Tryphactothripini of India (Thysanoptera, Thripidae, Panchaetothripinae), with identification keys and a new record of Opimothrips, ZooKeys 884, pp. 43-52 : 43

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Tryphactothrips Bagnall


Tryphactothrips Bagnall

Tryphactothrips Bagnall, 1919: 256. Type species Dinurothrips rutherfordi Bagnall, 1915, by original designation.


Various workers on Thysanoptera [ Bagnall (1919); Ramakrishna and Margabandhu (1931, 1940); Shumsher (1947); Patel and Patel (1953); Ananthakrishnan (1954); Wilson (1975)] reported T. rutherfordi from India. However, Bhatti (1967 and 1990) clarified the report of Ramakrishna and Margabandhu (1931) as Astrothrips tumiceps and of Patel and Patel (1953) from Pune as a species of Astrothrips . The records by Shumsher (1947) and Ananthakrishnan (1954) have never been validated, but Wilson (1975) collected three females from a forest tree in Tamil Nadu and compared these with the female holotype of T. rutherfordi in London. This is the only authenticated report of rutherfordi from India, and is only the second reliable report since the original description of the species from Ceylon.


Antennae with six segments, terminal segments fused into an elongate unit. Head with raised sculpture covering cheeks and vertex; maxillary palps bi-segmented. Pronotum with raised sculpture anteriorly and on anterolateral angles. Mesoscutum slightly notched. Tarsi 1-segmented. Fore wing with anterior vein fused to costa at fork of veins; costal setae shorter than costal cilia; posteromarginal cilia wavy. Abdominal tergite II sharply constricted, laterally with double based rod like processes; III–VII with paired clusters of round sculptured areolae, striated across anterior third, bearing pair of sigmoidal setae laterally; VIII with no posteromarginal comb; X asymmetric, divided longitudinally.