HemipteraReduviidae – Assassin Bugs

Fitchia spinosula

This record describes Fitchia spinosula (species). Recorded family: Reduviidae. Recorded order: Hemiptera.

Identification and Appearance

Fitchia spinosula - Fitchia spinosula
Contributed by drswanny; Additional contributions by Beatriz Moisset , Mike Quinn , v belov , KenW

The easiest field character for separating the two species involves the color of the integument surrounding the spiracle: concolorous pale in F. spinosula versus dark brown in F. aptera . Male parameres are distinctly clavate, as opposed to the slender, digitate parameres of F. aptera . On average, F. spinosula tends to be a little longer and more slender than its congener. The pronotal armature is variable, and overlaps with F. aptera , but in F. spinosula , there are usually two submedial tubercles and a tubercle at each humeral angle. Micropterous individuals are more common, although macropterous forms do exist. Macroptery is more common in males than females.

Classification

Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder
Heteroptera
Superfamily
Miroidea
Family
Reduviidae (Assassin Bugs)
Subfamily
Harpactorinae
Tribe
Harpactorini
Genus
Fitchia

Imported taxonomy record. Source availability varies; see the source references and editorial policy below.

Habitat and Range

Geographic Range

More or less transcontinental in the US - Map

About True Bugs, Cicadas, Hoppers, Aphids and Allies: the wider group

Order-level background for Hemiptera, the group containing Fitchia spinosula. Species-specific details appear above.

Group overview

Hemiptera (true bugs) includes over 80,000 described species across cicadas, aphids, leafhoppers, shield bugs, and bed bugs. Aphids alone cost global agriculture an estimated $2.5 billion annually in crop losses.

Ecological role of the group

Many Hemiptera are essential food sources for birds and predatory insects. Cicadas provide massive nutrient pulses during emergence events - a single Brood X emergence can involve trillions of individuals across 15 states.

Economic and practical significance of the group

The brown marmorated stink bug (Halyomorpha halys) caused $37 million in apple crop losses in a single year in the U.S. Mid-Atlantic region. Bed bug infestations in the U.S. increased by 500% between 2001-2010, costing the hotel industry hundreds of millions annually.

Recorded sources for this group: USDA, EPA, University research. Imported estimates may describe particular regions or reporting periods.

Explore Hemiptera families and species →

Photos of Fitchia spinosula (2)

Fitchia spinosula - photo 1
Contributed by drswanny; Additional contributions by Beatriz Moisset , Mike Quinn , v belov , KenW
Fitchia spinosula - photo 2
Contributed by drswanny; Additional contributions by Beatriz Moisset , Mike Quinn , v belov , KenW

Photo credits: Contributed by drswanny; Additional contributions by Beatriz Moisset , Mike Quinn , v belov , KenW

Frequently Asked Questions About Fitchia spinosula

What is Fitchia spinosula?

Fitchia spinosula is a species in the family Reduviidae, within the order Hemiptera.

How big is Fitchia spinosula?

11-16 mm

How do you identify Fitchia spinosula?

The easiest field character for separating the two species involves the color of the integument surrounding the spiracle: concolorous pale in F. spinosula versus dark brown in F. aptera . Male parameres are distinctly clavate, as opposed to the slender, digitate parameres of F. aptera . On average, F. spinosula tends to be a little longer and more slender than its congener. The pronotal armature is variable, and overlaps with F. aptera , but in F. spinosula , there are usually two submedial tubercles and a tubercle at each humeral angle.

Where is Fitchia spinosula found?

Range: More or less transcontinental in the US - Map

How we use and review source data. Source count does not imply independent verification.

Photo credits: Contributed by drswanny; Additional contributions by Beatriz Moisset , Mike Quinn , v belov , KenW. Contributors retain copyright over their individual contributions.