Apocleinae
Amblyonychus
Eccritosia
Furcilla
Mallophora
Megaphorus
Nevadasilus
Proctacanthella
Proctacanthus
Promachella
Promachus
Efferia-group
Albibarbefferia
Aridefferia
Carinefferia *
Efferia
Nerax
Pogonioefferia
Triorla
Tuberculefferia

Nearctic species:

1. Carinefferia caliente (Wilcox, 1966)
2. Carinefferia costalis (Williston, 1885)
3. Carinefferia cressoni (Hine, 1919)
4. Carinefferia jubata (Williston, 1885)
5. Carinefferia latruncula (Williston, 1885)
6. Carinefferia ordwayae (Wilcox, 1966)
7. Carinefferia prolificus (Osten-Sacken, 1887)
8. Carinefferia subcuprea (Schaeffer, 1916)
9. Carinefferia willistoni (Hine, 1919)

 
 
 
 
 
 
 
 

- female -

 
 
 

	Males.
	Females.

	Abdomen without long white parted hair.
	Abdomen with long white parted hair on several segments.

	Abdomen wholly grayish tomentose and white haired. Scutellar bristles white. Femora black, tibiae and tarsi reddish. Hairs and bristles of head all white, of scutum white except crest formed of a few black bristles and sparse black hairs. Costa not dilated. Length 16 mm . . . . . Carinefferia ordwayae (Wilcox, 1966) [AZ, NM, TX?]
	Basal part of abdominal segments 2-4 or 2-5 black. At least some black hairs on 4-5. Scutellar bristles black.

	Scutellum with 10 marginal bristles or less, usually black. Discal hairs white. Wings hyaline or nearly so.
	Scutellum with about 20 black bristles. Discal hairs black and white, sparse. Wings brownish or tinged with brown.

	Mesonotal crest formed mainly of bristles as long as antennal segments 1-2. Abdominal segments 5-7 white tomentose, 5 with a dorsal brown spot, venter with short hairs on segments 4-6. Length 15-18 mm . . . . . Carinefferia latruncula (Williston, 1885) [AZ, MT, NM, MEX]
	Mesonotal crest formed of hairs, anteriorly as long as antennal segment 1. Abdominal segments 5-7 or 6-7 white tomentose, venter of 1-7 with long erect white hairs. Length 13-23 mm . . . . . Carinefferia willistoni (Hine, 1919) [AZ, CO, NM, TX, UT, MEX]

	Abdominal segments 1-5 largely black, 6-7 silvery tomentose, 5 with short black hairs. Lower forceps with lower apex acute. Sternite 9 visible as 2 shining lobes. Length 18-23 mm . . . . . Carinefferia jubata (Williston, 1885) [NM, AZ, CO, WY]
	Abdominal segments 1-4 largely black, 5-7 silvery tomentose, 5 with long white hairs apically. Lower forceps with lower angle obtuse. Sternite 9 not visible. Length 15-19 mm . . . . . Carinefferia prolificus (Osten-Sacken, 1887) [AZ, NM]

	Mystax largely white. Wings hyaline.
	Mystax largely black. Wings light brownish.

	Mesonotal crest dense, narrow, formed mainly of hairs. Abdominal segments 2-6 with long white parted hair. Length 12-17 mm . . . . . Carinefferia caliente (Wilcox, 1966) [CA, AZ, NV, MEX]
	Mesonotal crest sparse, formed mainly of bristles. Abdominal segments 2-5 with long white parted hair. Length 12-15 mm . . . . . Carinefferia cressoni (Hine, 1919) [NM, AZ, CO, TX, WY, MEX]

	Mesonotal crest of hairs anteriorly subequal in length to antennal segment 1. Discal hairs of scutellum sparse white and shorter than marginal bristles. Abdominal segments 2-7, 3-7 or 4-7 white tomentose with sparse white parted hairs. Length 13-23 mm . . . . . Carinefferia willistoni (Hine, 1919) [AZ, CO, NM, TX, UT, MEX]
	Mesonotal crest of hairs subequal in length to antennal segments 1-3. Discal hairs of scutellum dense white and nearly as long as the marginal bristles.

	Abdominal segments 2-5 with white parted hair, 2-4 and 7 largely black, 7 with black hairs apically. Length 15-20 mm . . . . . Carinefferia subcuprea (Schaeffer, 1916) [AZ, MT, NV, UT, CO, NM, WY, CA?, CAN, ALB]
	Abdominal segments 2-6 mith white parted hair, 2-3 black basally, 7 mhite tomentose with short white hair. Length 14-16 mm . . . . . Carinefferia costalis (Williston, 1885) [NM, TX, UT, AZ, CO, ID, WY, MT, AZ, ND, SD, CAN, ALB, SKW, KS?]

	Ovipositor short and broad, at the middle 4-5 times as long as broad, length 3.0 to 3.5 mm.
	Ovipositor slender, at the middle at least 6 times as long as broad, length 4.0 mm or more.

	Mesonotal crest narrow, dense, formed mainly of black hairs. Legs black, at most tibiae reddish basally. Ovipositor 3.4 mm long . . . . . Carinefferia caliente (Wilcox, 1966) [CA, AZ, NV, MEX]
	Mesonotal crest sparse, formed mainly of black bristles. Tibiae and tarsi largely reddish.

	Leg bristles largely white. Tibiae and tarsi reddish. Abdomen largely grayish tomentose. Ovipositor 3.0 mm long . . . . . Carinefferia cressoni (Hine, 1919) [NM, AZ, CO, TX, WY, MEX]
	Leg bristles largely black. Tips of tibiae brown. Central basal portion of abdominal segments dull black. Ovipositor 3.0 mm long . . . . . Carinefferia latruncula (Williston, 1885) [AZ, MT, NM, MEX]

	Ovipositor 5.6 to 6.5 mm long.
	Ovipositor 4-5 mm long.

	Mesonotal crest of hairs subequal in length to antennal segments 1-3. Discal hairs of scutellum dense and nearly as long as the marginal bristles. Ovipositor 5.6 to 6.5 mm long . . . . . Carinefferia subcuprea (Schaeffer, 1916) [AZ, MT, NV, UT, CO, NM, WY, CA?, CAN, ALB]
	Mesonotal hairs anteriorly subequal in length to antennal segment 1. Discal hairs of scutellum sparse, about half the length of marginal bristles. Ovipositor 5.6 mm long . . . . . Carinefferia willistoni (Hine, 1919) [AZ, CO, NM, TX, UT, MEX]

	Scutellum with about 20 bristles, hairs black and white.
	Scutellum at most with 6 marginal bristles, hairs white.

	Ovipositor constricted between segments 8 and 9. Tergite 9 rugose on upper half; ovipositor 4.5 mm long . . . . . Carinefferia jubata (Williston, 1885) [NM, AZ, CO, WY]
	Ovipositor not constricted. Tergite 9 largely polished with a small roughened area dorsally. Ovipositor 4.6 mm long . . . . . Carinefferia prolificus (Osten-Sacken, 1887) [AZ, NM]

	Mystax white. Scutellar bristles white. Mesonotal crest formed of sparse bristles. Abdomen gray tomentose. Ovipositor 4.9 mm long . . . . . Carinefferia ordwayae (Wilcox, 1966) [AZ, NM, TX?]
	Mystax about half black and white. 2-4 black scutellar bristles. Mesonotal crest formed of moderately dense hairs. Abdominal segments 2-7 black, sides and posterior margins gray tomentose. Ovipositor 3.5 mm long . . . . . Carinefferia costalis (Williston, 1885) [NM, TX, UT, AZ, CO, ID, WY, MT, AZ, ND, SD, CAN, ALB, SKW, KS?]

Contents: © Fritz Geller-Grimm, Jorge N. Artigas, 2007
Layout & images: © Fritz Geller-Grimm, 2007