Meromyzobia

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Females and males

1 Females (brachypterous) ……………. ……………………………………………..……….… 2
1’ Males (full winged) ………………………………………………………………………..…. 3

2(1) Club apparently solid; mid coxa dark; mesoscutum 0.5X pronotum length  ….… deserticola
2’ Club clearly3-segmented; mid coxa yellow; mesoscutum 0.67x pronotum length ………. sp. 1

3(1) Pronotum length about equal to mesoscutum length ……………………………. deserticola
3’ Mesoscutum length distinctly longer than pronotum  ………………………………..………. 4

4(3) Mesosoma dorsally completely dark …….…………………….……………………………. 5
4’ Mesosoma dorsally with lighter areas ………………………………………………………… 6

5(4) Metasoma yellow in basal third dorsally, basal half ventrally; face dark, except for narrow strip above mouth ………..……… sp.1
5’ Metasoma with only slight yellowing at very base; face yellow ………………………….. sp. 2

 

6(4) Funicle segments slim, length F1 almost 3x width; main body color yellow ………….. sp. 3
6’ Funicle segments not as slim, length F1 about 2x width; main body color orange ………. sp. 4

 

Sp. 1: Solano, Stanislaus (RLZC, UCDC)
Sp. 2: Inyo, Lassen (CSCA, RLZC, UCDC) (Only males known)
Sp. 3: Imperial (UCDC, UCRC) (Only 2 males known)
Sp. 4: Orange (UCRC) (Only 1 male known)

 

Described Nearctic species and distribution

bifasciata (Ashmead, 1890): USA (CO)
deserticola Gordh, 1987: USA (CA)
flava Ashmead, 1900: USA (DC)
flavicincta (Ashmead, 1888): USA (CO, FL)
maculipennis (Ashmead, 1893): USA (NJ, OH)
melanosoma Gordh, 1987: USA (FL, GA, NC, NJ)
pedicelata Gordh, 1987: USA (FL)
texana Gordh, 1987: USA (TX)
unifasciata Ashmead, 1900: USA (MI, MO)

 

References

Ashmead, W.H. 1888. Descriptions of new Florida chalcids belonging to the sub-family Encyrtinae. Entomologica Americana 4: 15-17.
Ashmead, W.H. 1890. On the Hymenoptera of Colorado; descriptions of new species, notes and a list of the species found in the State. Bulletin No 1 of the Colorado Biological Association, Washington: 47 pp.
Ashmead, W.H. 1893. Descriptions of new parasitic Hymenoptera bred by Prof. F.M. Webster. Bulletin of the Ohio Agricultural Experiment Station, Technical Series 1: 159-165.
Ashmead, W.H. 1900. On the genera of the chalcid-flies belonging to the subfamily Encyrtinae. Proceedings of the United States National Museum 22: 323-412.
Gordh, G. 1987. A taxonomic study of Nearctic Meromyzobia Ashmead, 1900 (Hymenoptera: Encyrtidae). The Pan-Pacific Entomologist 63: 16-36.