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Hylaeus hyalinatus Smith, 1842
Mellinus bipunctatus_homonym Fabricius, 1798; Prosopis armillata Nylander, 1848; Prosopis longicornis Schenck, 1853; Prosopis similis_homonym Schenck, 1853; Hylaeus decipiens Förster, 1871; Hylaeus tricuspis Förster, 1871; Hylaeus miscellus Förster, 1871; Prosopis hyalinata var lugubris Dalla Torre, 1877; Spatulariella (Spatulariella) hyalinata (Smith, 1842); Spatulariella (Spatulariella) hyalinata montebovensis Pittioni, 1950; Spatulariella (Spatulariella) hyalinata aragonensis Pittioni, 1950; Prosopis hyalinata minos Warncke, 1981; Hylaeus (Spatulariella) hyalinatus aragonensis (Pittioni, 1950); Hylaeus (Spatulariella) hyalinatus minos (Warncke, 1981)

Life   Insecta   Hymenoptera   Apoidea   Colletidae   Hylaeus
Subgenus: Spatulariella

Hylaeus hyalinatus FEM CFP f
© Copyright Laurence Packer 2014 · 7
Hylaeus hyalinatus FEM CFP f

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    An introduced species that is spreading from its center of origin in upstate NY, be on the lookout throughout the East.
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Hylaeus hyalinatus MALE CFP f
© Copyright Laurence Packer 2014 · 7
Hylaeus hyalinatus MALE CFP f
Hylaeus hyalinatus, M, back
© Copyright source/photographer · 5
Hylaeus hyalinatus, M, back

Hylaeus hyalinatus, M, back
© Copyright source/photographer · 5
Hylaeus hyalinatus, M, back
Hylaeus hyalinatus, M, face
© Copyright source/photographer · 5
Hylaeus hyalinatus, M, face

Hylaeus hyalinatus, M, side
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Hylaeus hyalinatus, M, side
Hylaeus hyalinatus, John and Jane Balaban
John and Jane Balaban · 1
Hylaeus hyalinatus, John and Jane Balaban

Hylaeus hyalinatus, John and Jane Balaban1
John and Jane Balaban · 1
Hylaeus hyalinatus, John and Jane Balaban1
Identification
H. hyalinatus is quite a distinctive species in the east. In the female the clypeus and paroccular areas are roughly, but distinctly pitted. Also, the interpit spaces on the pleura are shiny. This is a very distinctive characteristic. Be sure to also check for this character if you think you have a female H. hyalinatus.

Reprinted with Permission from: R.J. Oram. 2018. Revision of the Genus Hylaeus Fabricius (Hymenoptera: Colletidae) in Canada. Master’s Thesis University of Regina

Diagnosis: Females of Hylaeus hyalinatus are similar to H. punctatus. They can be distinguished from H. punctatus by the episternal punctures being well seperated in H. hyalinatus, and the episternal punctures being very close with interspaces nearly absent in H. punctatus. Males of Hylaeus hyalinatus are similar to H. punctatus. They can be distinguished from H. punctatus by the rounded spatulate apical process of S8, and the episternal punctures being well spaced in H. hyalinatus, and the truncate spatulate apical process of S8, and episternal punctures being close in H. punctatus, Females: average face width = 1.89mm; average thorax length = 2.1mm; average intertegular width = 1.46mm; average forewing length = 3.66mm. (n=5) Black, except for variable yellow maculation on lower paraocular area, restricted to the compound eye, which can extend from just above malar area to level of antennal sockets or as a small irregular blotch (sometimes absent); flagellum ferruginous on the lower surface; lateral yellow maculations on pronotal collar (these well-separated medially, and sometimes completely absent), apical 2/3 of pronotal lobes, fore tibiae with a small basal dot (sometimes absent), and hind tibia on basal 1/4; wings clear, faintly brown, with brown veins, forewing with base of vein C pale yellow.

Head: Scape straight, with dense, shallow punctures covering the surface, F1 quadrate, F2 broader than long, about half the length of F1, F3–F9 slightly longer than broad, F10 longer than broad; clypeus as long as broad, shallow punctures covering (i = 1–2pd) and tesselate; superclypeal area with dense shallow punctures (i < 1pd) basally between antennal sockets, becoming sparse apically (i = 1pd), interspaces tesselate throughout; upper paraocular area and frons with dense and coarse punctures (interspaces hardly visible); vertexal area weakly elevated, with dense punctures (interspaces hardly visible); compound eyes with inner margin weakly converging below; facial fovea with lower margin at level of bend in the inner eye margin, extending to upper curve of eye, fovea separated from upper margin of compound eye by width of fovea, slightly diverging from the eye, width from eye by width of two fovea at apex; face with sparse, short pale hairs, with short erect pale hairs at upper paraocular area; mandibles with short erect hairs.

Thorax: Pronotal collar rounded anteriorly, with medial portion much thinner than lateral portions; mesoscutum with coarse and dense punctures (i < 1 pd), interspaces smooth; parapsidal lines faint, about 3/4 the length of the tegula; scutellum with punctures more sparse on base (i = 1pd), becoming close apically (i < 1pd) with interspaces smooth throughout; metanotum with dense, course punctures (i < 1pd) interspaces smooth; mesepisternum with anterior and lateral separated by a carina, punctures course (i = 1pd), with interspaces smooth; metepisternum with course, dense, punctures (i < 1pd), with interspaces smooth; propodeum with base rugulose, width subequal to metanotum, rounded onto the posterior surface, posterior surfaces, with shallow punctures (i = 1pd), interpsaces smooth, posterior and lateral surfaces separated by a weak carina. Mesoscutum and scutelum with sparse short, flat, white simple hairs; metanotum with short, pale, hairs medially, and elongate, white branched hairs laterally; pleuron with short, erect white hairs; propodeum with short, flat, white branched hairs on posterior surface and lateral surfaces, with long, white branched hairs under the wing base on posterior and lateral surfaces; foreleg with short white branched hairs on coxa, erect pale hairs on femur, flattened pale hairs on tibia, short, dense pale hairs on basitarsus and mediotarsus; mid leg with short branched white hairs on coxa, mixture of short pale hairs and erect dark hairs on femur, short, flat pale hairs on tibia, long, sparse pale hairs on basitarsus and mediotarsus; hind leg with short, semi-erect white hairs on coxa; with short, pale hairs throughout on remaining segments, with erect hairs intermixed on basitarsus and mediotarsus. Abdomen: T1 with pale apical fasciae laterally, T1–T2 surface smooth and shiny, with small punctures uniform throughout (i = 2pd), T3 –T5 smooth and impuncate, T1–T6 with small pits from which short, fine pale white hairs arise. T6 with long golden hairs on apical half; S1–S5 smooth and impunctate; S1–5 with sparse, simple pale hairs, S5 with a line of sparse, erect, white hairs delimiting an apical golden crescent; S6 with white hairs restricted to apical half.

Males: average face width = 1.71mm; average thorax length = 1.62mm; average intertegular width = 1.27mm; average forewing length = 3.76mm. (n=4) Black, except for yellow maculation on clypeus, supraclypeal area on apical half, sides of face with maculation covering lower paraocular area extending from malar area to above antennal sockets, not separate from the eye, and tapered or truncate; flagellum yellow on the lower surface; lateral yellow maculations on pronotal collar (these well-separated medially); pronotal lobes extensively maculated; tegulae with a dot on the basal half; costal sclerite and base of wing vein C maculated; fore tibiae entirely maculated on dorsal side, basitarus and meditarsus yellow, mid tibia with basal dot, basitarsus and meditarsus yellow, hind tibia with maculation on basal 1/2, basitarsus and meditarsus yellow; wings predominantly clear, and slightly brown, with brown veins, forewing with base of vein C pale yellow.

Head: Scape truncate, the width only slightly large than flagellum, length 1.5x more than width, with shallow punctures covering surface (i > 2pd) with smooth interspaces, F1 with outer edge 0.5x shorter than inner edge, F2–11 longer than broad, about 3 times longer than F1 on the outer edge; clypeus 1.5x longer than broad with extremely shallow punctures (i = 2pd) and interspaces smooth; supraclypeal area long, over half the length of clypeus, with extremely shallow punctures (i = 1pd) and interspaces smooth; upper paraocular area and frons with punctures dense and coarse (interspaces hardly visible); vertexal area slightly elevated, densely punctured (interspaces hardly visible); compound eyes with inner margin strongly converging below; facial fovea extremely short, length of two punctures, and restricted to the apex eye. Scape with long branched, hairs, face with long, slightly branched, pale hairs, with short, simple hairs on clypeus; mandibles with long erect hairs; genal area with short white branched hairs.

Thorax: Pronotal collar angulate anteriorly, the width of the medial portion less than the lateral portions; mesoscutum with punctures coarse and dense (i < 1pd), with interspaces smooth; parapsidal lines absent; scutellum with course punctures (i = 0.5–1pd) with interspaces smooth; metanotum with surface rugosopunctate; mesepisternum with anterior and lateral faces separated by a carina, puncturing course (i < 1pd) with interspaces smooth; metepisternum rugulose; propodeum with basal area heavily rugose, width almost 2x longer than metanotum, rounded onto posterior surface, posterior and lateral surfaces surface with shallow punctures (i = 1pd), with interspaces smooth, the surfaces separated by a strong carina; fore coxae rounded. Mesoscutum and scutellum with long, erect, pale simple hairs, with scutellum intermixed with branched hairs; metanotum with long, white, branched hairs laterally; pleuron with intermixed short, erect, pale, simple hairs and long, white, branched hairs; propodeum with short, white branched hairs on posterior and lateral surfaces, with long, white branched hairs under the wing base on posterior and lateral surfaces; foreleg with long white branched hairs on coxa, mixture of erect pale and dark hairs on femur, flattened pale hairs on tibia, long, sparse pale hairs on tibia; mid leg with short simple hairs throughout, with erect hairs on the tarsi and basitarsi intermixed, hind leg with short, semi–erect white hairs on coxa; with short, pale hairs throughout on remaining segments, with erect hairs intermixed on basitarsus.

Abdomen: T1 with pale apical fasciae laterally, T1–2 surface smooth and shiny, with small punctures (i = 1pd), T1–7 with small pits from which short, fine pale white hairs arise causing the surface to look roughened; S1–S6 smooth, with small pits from which small fine pale white hairs arise.


Names
Scientific source:

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Hosts · map
FamilyScientific name @ source (records)
Apiaceae  Coriandrum @ AMNH_BEE (2)

Daucus carota @ MLSB__N16- (19); UCRC_ENT (1)
Asclepiadaceae  Asclepias syriaca @ MLSB__N16- (1)
Fabaceae  Lotus corniculatus @ MLSB__N16- (1)

Melilotus albus @ MLSB__N16- (6)

Melilotus officinalis @ MLSB__N16- (2)
_  2016 @ PN- (1)

M Spring @ PN- (18)

Sam @ PN- (5)

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