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Thrips of California 2012

Dactuliothrips xerophilus

Recognition data

Distinguishing features

Female fully winged. Body, legs and antennae brown, except fore tarsi, fore tibiae and antennal segment III and sometimes IV yellow; fore wings shaded distally but pale near base. Antennae 9-segmented, segment IX longer than VIII; segment III apparently without sensoria, IV with 1 small oval sensorium. Head relatively long with 2 pairs of long postocular setae. Pronotum with many prominent setae, about 5 pairs on anterior margin and 5 pairs on posterior margin. Mesonotum with many microtrichia. Metanotum with only one pair of setae, sculpture arcuate around anterior margin and with many microtrichia. Fore femur with 1–4 small moderately stout setae on inner margin. Fore tarsal hamus recurved. Fore wing broad with apex rounded. Abdominal tergites with transverse lines of sculpture. Sternites IV–VI with 3 pairs of marginal setae and 5–6 discal setae medially but not laterally, completely covered with microtrichia; sternite VII with discal setae laterally and 2 pairs of supernumerary setae sub-medially.

Related and similar species

Currently there are six species described in the genus Dactuliothrips; four are from California and two from Argentina.

Taxonomic data

Current valid name

Dactuliothrips xerophilus Bailey

Original name and synonyms

  • Dactuliothrips xerophilus Bailey, 1937:122

Family placement


Biological data

Life history

Presumably breeding in flowers.

Host plants

Yucca brevifolia (Agavaceae).

Tospoviruses vectored


Crop damage


Distribution data

Area of origin

Western USA