Forewing 9.75 - 16.95 mm ♀; 9.45 - 15.45 mm ♂.(1) Usually smaller than D. interrupta.
Identification
Lacks darkened cross-veins near the pterostigma. Has dark brownish-to-black as well as lighter yellowish color forms(2).
Range
s. ON; AZ, AR, CA, CT, FL, GA, IL, IN, KS, LA, MD, MA, MI, MN, MS, MO, NE, NM, NC, OH, OK, PA, SC, SD, TX, UT, VA, WV, WI;(3)(4) south to Central America; West Indies(5)(6)(1)(3)
has several largely allopatric color forms (here) formerly treated as species (Hoffman 1989); the dark forms from east of the Mississippi and northward correspond to the former Mantispa uhleri
Redborg K.E., MacLeod E.G. (1985) The developmental ecology of Mantispa uhleri Banks (Neuroptera: Mantispidae). Illinois Biol. Monogr. 53. 130 pp.(Full text)
Rice M.E., Peck W.B. (1990) Mantispa sayi (Neuroptera: Mantispidae) parasitism on spiders (Araneae) in Texas, with observations on oviposition and larval survivorship. Ann. Ent. Soc. Am. 84: 52-57.