Phytomyza thalictrivora Spencer
publication ID |
https://doi.org/ 10.11646/zootaxa.4479.1.1 |
publication LSID |
lsid:zoobank.org:pub:93C84828-6EEF-4758-BEA1-97EEEF115245 |
DOI |
https://doi.org/10.5281/zenodo.5997950 |
persistent identifier |
https://treatment.plazi.org/id/03D287EF-FFF5-E41C-A8E5-55614352FD49 |
treatment provided by |
Plazi |
scientific name |
Phytomyza thalictrivora Spencer |
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Phytomyza thalictrivora Spencer View in CoL
( Fig. 210 View FIGURES 208–216 )
Material examined. MASSACHUSETTS: Berkshire Co., Savoy , 1.vi.2013, em. 11.iii.2014, C.S. Eiseman, ex Thalictrum pubescens , #CSE1000, CNC384793 View Materials (1♀) .
Hosts. Ranunculaceae : Thalictrum * pubescens Pursh , T. venulosum Trel.
Leaf mine. ( Fig. 210 View FIGURES 208–216 ) Upper surface, greenish-white; probably entirely linear, but contorted to form an irregular secondary blotch. Frass is in scattered grains and irregular particles. The larva exits through a slit in the lower epidermis.
Puparium. Oval, orange-brown; at the time of collection it was attached to the underside of a leaflet adjacent to the mined one.
Distribution. USA: FL?, *MA; Canada: AB.
Comments. While known here from a single female, a number of characters allow for it to be identified as Phytomyza thalictrivora , including a relatively large first flagellomere, a broad, subshining orbital plate, characteristically gracile fronto-orbitals and only two rows of acrostichal setulae. This species was only previously known from the Albertan holotype [deposited in CNC and examined here] and a single tentatively identified female from northern Florida ( Spencer & Stegmaier 1973). The type was collected from leaf mines on June 10, and the two adults (both males) emerged 15 days later ( Spencer 1969). Our specimen was collected as a puparium on June 1 and the adult did not emerge until the following year. Occasional females exhibiting a long pupal diapause have also been observed in Aulagromyza orbitalis (Melander) ( Spencer 1969) and (perhaps) Agromyza idaeiana Hardy (this paper; see Agromyza sp. 6).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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