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Genus Micromus

 Brown Lacewing larva - Micromus Caddisfly - Micromus subanticus Neuropteran Larvae - Micromus Micromus subanticus lacewing - Micromus borealis Brown Lacewing - Micromus Brown Lacewing? - Micromus Micromus? - Micromus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Neuroptera (Antlions, Lacewings, and Allies)
Suborder Hemerobiiformia (Lacewings and Allies)
Family Hemerobiidae (Brown Lacewings)
Subfamily Microminae
Genus Micromus
Explanation of Names
Micromus Rambur, 1842
Numbers
8 spp. in our area(1), ~100 total(2)
1. Micromus angulatus: northern (Canada: AB, BC, MB, NF, NS, NT, ON, QC, SK, YT; United States: CO, ME, MI, MN, NH, NY, SD, VT, WI)
2. Micromus borealis: northwestern (Canada: AB, BC, YT; United States: AK)
3. Micromus montanus : widespread (Canada: AB, BC, NS, QC, SK; United States: AZ, CA, CO, CT, ID, MA, ME, NC, ND, NH, NV, NY, TN, UT, VT, WA, WI)
4. Micromus posticus: widespread (Canada: BC, ON, QC, YT; United States: AZ, CO, CT, FL, GA, IA, IL, IN, KS, MA, ME, MN, MO, NC, ND, NE, NJ, NY, OH, PA, TX, VA, WA, WI)
5. Micromus remiformis: western (CA, ID, NV, OR, UT)
6. Micromus subanticus: widespread (Canada: BC, MB, ON, QC; United States: AZ, CA, FL, IA, IL, IN, KS, LA, MA, MN, MO, NC, NV, NY, OH, SC, TX, VA, WI)
7. Micromus variegatus: introduced and spreading (Canada: AB, BC, NS, QC; United States: ID, NH, OR, WA)
8. Micromus variolosus: western (Canada: BC, SK, YT; United States: AZ, CA, CO, ID, KS, NM, NV, OR, UT, WA, WY) plus IN, MN
Size
Forewing 4.5 - 10.7 mm
Identification
Overview of genus
Eyes comparatively small, palpi without apiculus
 
  Heads of Micromus (left) vs. Hemerobius (right)

Wing venation:


Recognition of larvae discussed in Krakauer & Tauber (1996).(3)

Overview of species
Key to Nearctic species (minus M. remiformis) in Klimaszewski & Kevan (1988).(4) Description of M. remiformis in Oswald (1987).(5)
Range
Worldwide & across NA(1)(2)
Remarks
Our only representative of the subfamily Microminae Krüger 1922 (3 genera total)
Works Cited
1.Species catalog of the Neuroptera, Megaloptera, and Raphidioptera of America North of Mexico
Penny N.D., Adams P.A., Stange L.A. 1997. Proc. Calif. Acad. Sci. 50: 39‒114.
2.Neuropterida Species of the World catalogue (by J.D. Oswald)
3.Larvae of Micromus: generic characteristics and a description of Micromus subanticus (Neuroptera: Hemerobiidae)
Krakauer A.H., Tauber C.A. 1996. Annals of the Entomological Society of America 89(2): 203-211.
4. The brown lacewing flies of Canada and Alaska (Neuroptera: Hemerobiidae) Part III. The genus Micromus Rambur
Jan Klimaszewski & D. Keith McEwan Kevan. 1988. Giornale italiano di Entomologia, 4(19): 31-76.
5.A New Species of Micromus from the Western United States (Neuroptera: Hemerobiidae)
Journal of the New York Entomological Society, 95(1): 1-4. 1987. Oswald, John D. .