Andrenidae, Latreille, 1802

Family Andrenidae View in CoL

Andrena ( Callandrena s. lat.) asteris Robertson Typically , 3 SM; less than 5% of specimens with only 2 SM in one or both wings ( LaBerge 1967).

Andrena ( Callandrena s. lat.) asteris Robertson

[reported as genus Pterandrena asteris Robertson in Robertson (1902a); Pterandrena = Callandrena per Gusenleitner and Schwarz (2002)]

Typically, 3 SM; missing 2nd SMCV ( Robertson 1902a; J. C. Crawford in Pierce 1909).

Andrena ( Callandrena s. lat.) asteroides Mitchell Typically , 3 SM; rarely with 2 SM in one or both wings ( LaBerge 1967).

Andrena ( Callandrena s. lat.) crawfordi Viereck Typically , 3 SM; missing 2nd SMCV (J. C. Crawford in Pierce 1909).

Andrena ( Callandrena s. lat.) gardineri Cockerell Typically , 3 SM; rarely with 2 SM ( LaBerge 1967).

Andrena ( Callandrena s. lat.) krigiana Robertson Typically , 3 SM; rarely 2 SM in one wing ( LaBerge 1967).

Andrena ( Callandrena s. lat.) krigiana Robertson

[reported as genus Pterandrena krigiana Robertson in Robertson (1902a); Pterandrena = Callandrena per Gusenleitner and Schwarz (2002)]

Typically, 3 SM; missing 2nd SMCV ( Robertson 1902a; J. C. Crawford in Pierce 1909).

Andrena ( Callandrena s. lat.) simplex Smith

[reported as genus Pterandrena solidaginis Robertson in Robertson (1902a); Pterandrena = Callandrena per Gusenleitner and Schwarz (2002)]

Typically, 3 SM; missing 2nd SMCV ( Robertson 1902a; J. C. Crawford in Pierce 1909).

Andrena ( Cnemidandrena) denticulata (Kirby) Typically , 3 SM; one specimen with only 2 SM, the 2nd SM and 3rd SM combined ( Schenck 1856).

Andrena ( Euandrena) geranii Robertson Typically View in CoL , 3 SM; missing 2nd SMCV, hence only 2 SM ( Robertson 1902a; J. C. Crawford in Pierce 1909).

Andrena ( Euandrena) segregans Cockerell Typically View in CoL , 3 SM; one ♂ with 2 SM in left wing ( LaBerge 1977).

Andrena ( Gonandrena) flocculosa LaBerge and Ribble Typically , 3 SM; one ♀ with 2 SM ( LaBerge and Ribble 1972).

Andrena ( Gonandrena) integra Smith

Typically, 3 SM; ♀ s: 5% with 2 SM in both wings; ♂ s: 7% with 2 SM in both wings; 18.6% with 2 SM in one wing (right:left = ~50:50). ( LaBerge and Ribble 1972).

Andrena ( Gonandrena) platyparia Robertson Typically View in CoL , 3 SM; missing 2nd SMCV, hence only 2 SM ( Robertson 1902a; J. C. Crawford in Pierce 1909).

Andrena ( Gonandrena) platyparia Robertson View in CoL

[reported as Andrena ( Gonandrena) nigrifrons (Cresson) in LaBerge and Ribble (1972); junior homonym per Gusenleitner and Schwarz (2002)]

Typically, 3 SM; ♂ s: 10% with one wing and 16% with both wings having 2 SM; ♀ s: ~5% of the specimens with these anomalies ( LaBerge and Ribble 1972).

Andrena ( Larandrena) miserabilis Cresson

[reported as genus Opandrena bipunctata Robertson in Robertson (1902a); junior synonym per Ribble (1967)]

Typically, 3 SM; missing 2nd SMCV, hence only 2 SM ( Robertson 1902a; J. C. Crawford in Pierce 1909).

Andrena ( Micrandrena) nigrae Robertson

[reported as Andrena illinoensis Robertson in Robertson 1902a, and in J. C. Crawford in Pierce 1909] Typically, 3 SM; missing 2nd SMCV, hence only 2 SM ( Robertson 1902a; J. C. Crawford in Pierce 1909).

Andrena ( Micrandrena) personata Robertson

[reported as genus Opandrena personata Robertson in Robertson (1902a)]

Typically, 3 SM; missing 2nd SMCV, hence only 2 SM ( Robertson 1902a; J. C. Crawford in Pierce 1909).

Andrena ( Rhacandrena) brevipalpis Cockerell View in CoL or Andrena ( Rhacandrena) robertsonii Dalla Torre View in CoL [reported as genus Opandrena robertsonii Robertson in Robertson (1902a); could refer to either of the above species per LaBerge (1977)] Typically, 3 SM; missing 2nd SMCV, hence only 2 SM ( Robertson 1902a; J. C. Crawford in Pierce 1909).

Andrena ( Scaphandrena) arabis Robertson Typically View in CoL , 3 SM; missing 2nd SMCV, hence only 2 SM ( Robertson 1902a; J. C. Crawford in Pierce 1909).

Andrena ( Scrapteropsis) biareola LaBerge View in CoL

Typically, 2 SM; ♀: one specimen from Samuel Spring , Napa Co., California with 3 SM in both wings ( LaBerge 1971) .

Andrena ( Scrapteropsis) imitatrix Cresson

[reported as genus Trachandrena claytoniae Robertson in Robertson (1902a); synonym per Gusenleitner and Schwarz (2002)]

Typically, 3 SM; missing 2nd SMCV, hence only 2 SM ( Robertson 1902a; J. C. Crawford in Pierce 1909). One specimen missing 2nd SMCV, hence only 2 SM on one wing ( Robertson 1903).

Andrena ( Scrapteropsis) stipator LaBerge Typically , 3 SM; one ♂ specimen with 2 SM in one wing ( LaBerge 1971).

Andrena ( Scrapteropsis) unicostata LaBerge

Typically, 3 SM; ♂ s: a tendency towards having only 2 SM in one or both wings; five of 13 ♂ s with 2 SM in one or both wings ( LaBerge 1971).

Andrena ( Thysandrena) ferrugineipes LaBerge Typically , 3 SM; one ♂ with 2 SM in left wing ( LaBerge 1977).

Andrena ( Trachandrena) forbesii Robertson

[reported as genus Trachandrena forbesii (Robertson) in Robertson (1902a)]

Typically, 3 SM; missing 2nd SMCV, hence only 2 SM ( Robertson 1902a; J. C. Crawford in Pierce 1909).

Andrena ( Trachandrena) hippotes Robertson

[reported as genus Trachandrena hippotes (Robertson) in Robertson (1902a)]

Typically, 3 SM; missing 2nd SMCV, hence only 2 SM ( Robertson 1902a; J. C. Crawford in Pierce 1909).

Perdita ( Alloperdita) bradleyi Viereck

Typically, with an intercalary cell and therefore a variation of 3 SM cells ( Michener 2007).

Holotype: left wing with 3 SM, where the 1st SMCV forks near its base resulting in the intercalary 3rd SM; right wing with 2 SM; seven specimens: “Most, if not all” with 3 SM in one or both wings as in the type, however some with the fork nearer the middle of the 1st SMCV ( Viereck 1907).

Perdita ( Alloperdita Viereck) spp.

Typically have an intercalary cell and therefore a variation of 3 SM. The intercalary cell variable in size and even absent occasionally ( Timberlake 1956; Michener 2007).

Perdita ( Xerophasma) celadona Griswold and Miller

Typically, 3 SM (a small triangular, petiolate SM intercalated between two regular SM). The intercalated SM occasionally missing on one or both wings. The size of the intercalated cell variable. Three ♀ specimens with the cell missing on one wing ( Griswold and Miller 2010).

Perdita ( Xerophasma) vespertina Griswold and Miller

Typically , 3 SM (a small triangular, petiolate SM intercalated between two regular SM) ; intercalated submarginal cell occasionally missing on one or both wings. Riverside , Nevada: three ♀ s and one ♂ missing the cell on the left wing only ; one ♀ incompletely missing the cell on the right wing only; two ♀ s incompletely missing the cell on the right and missing it on the left; one ♀ incompletely missing the cell on the left; four ♂ s missing the cell on both wings. Mesquite, Nevada: One ♂ missing the 3rd SM on both wings ( Griswold and Miller 2010) .

Pseudopanurgus compositarum (Robertson) Typically View in CoL , 2 SM ( Mitchell 1960); one specimen with 3 SM ( Robertson 1922).