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Prionyx atratus (Lepeletier, 1845)
Sphex atrata Lepeletier, 1845

Life   Insecta   Hymenoptera   Apoidea   Sphecidae   Prionyx
Subgenus: None

Prionyx atratus
© Edward Trammel · 9
Prionyx atratus

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Prionyx atratus
© Steve Nanz · 9
Prionyx atratus
Prionyx atratus
© Tom Murray · 9
Prionyx atratus

Prionyx atratus, head
© Edward Trammel · 9
Prionyx atratus, head
Prionyx atratus, head
© Steve Nanz · 9
Prionyx atratus, head

Prionyx atratus, side
© Steve Nanz · 9
Prionyx atratus, side
Prionyx atratus, side
Native Bee Inventory and Monitoring Lab; Photographer: Erika Tucker · 1
Prionyx atratus, side

Prionyx atratus, face
Native Bee Inventory and Monitoring Lab; Photographer: Erika Tucker · 1
Prionyx atratus, face
Prionyx atratus, abdomen
Native Bee Inventory and Monitoring Lab; Photographer: Erika Tucker · 1
Prionyx atratus, abdomen

Prionyx atratus, top
Native Bee Inventory and Monitoring Lab; Photographer: Erika Tucker · 1
Prionyx atratus, top
Prionyx atratus
Native Bee Inventory and Monitoring Lab; Photographer: Erika Tucker · 1
Prionyx atratus

Prionyx atratus, map
Bohart, R.M., Menke, A.S. 1963 · 0
Prionyx atratus, map
Overview
Taken from: Bohart, R.M., Menke, A.S. 1963. A Reclassification of the Sphecinae: With a Revision of the Nearctic Species of the Tribes Sceliphronini and Sphecini.
Male.—Average length 12 mm; head, thorax, and gaster black; wings dark; erect hair of head and thorax black; face with some appressed silvery pubescence; flagellum with fossulae about as in figure 102 (see Parker, 1960, fig. 4); scutum dull, individual punctures obscured by shagreening; scutellum slightly raised but dull; sternite VII entire; genitalia illustrated in Parker, 1960, figure 14.
Female.—Average length 15 mm; face with extensive appressed silvery pubescence.

Names
Scientific source:

Prionyx atratus (Lepeletier) (Fig. 34) Sphex labrosa Harris, 1835, in Hitchcock, Rpt. Geol. Mm. Rot Zool. Mass., p. 588. Nomen nudum. Sphex atrata Lepeletier, 1845, Hist. Nat. Insect., Hymen., 3:355. Lectotype ♀, “sans Patrie” (TURIN). Present designation. Priononyx brunnipes Cresson, 1872, Trans. Amer. Ent. Soc., 4:213. Holotype ♂, Texas (USNM).


Geographic distribution
Distribution.—T his species is the most abundant black Prionyx in the United States and northern Mexico. To the north it ranges into southern Canada (fig. 34).

Natural history
There are two female syntypes in Turin labeled atrata but without locality data. We are designating one as lectotype. The other all-black Nearctic species, subatratus, has different flagellar fossulae and a more strongly raised scutellum. Biology.—Evans (1958) listed the prey recorded for this species (Acridinae, Oedipodinae, Cyrtacanthacridinae). Rau and Ran (1916) and Rau (1938) observed males and females of at rat us in gregarious slumber on plants.

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Updated: 2024-05-04 19:03:16 gmt
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